4820-00-202-8221

Description: Safety Relief Valve

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Quality Assurance

We are commited to quality and satisfaction as a certified supplier in the aerospace and military industries.

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • International Shipping Available
  • Friendly service to back every order
MILSPEC: Nonpowered Valves

 Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

4820-00-202-8221 Properties

  • NSN:
    4820-00-202-8221
  • Description:
    Safety Relief Valve
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 AY
  • Pipe Size Accommodated:
    0.375 inches all ends
  • Thread Direction:
    Right-hand all ends
  • Flow Control Device:
    Poppet
  • Disk Loading Method:
    Spring
  • Connection Style:
    Plain (pipe) all ends
  • Valve Operation Method:
    Automatic
  • Connection Type:
    Threaded external pipe all ends
  • Thready Qty Per Inch (tpi):
    18 1st end
  • Thread Size:
    0.375 inches all ends
  • Opening Pressure Setting:
    20.0 pounds per square inch
  • Material:
    Steel stem
  • Style Designator:
    Angle
  • Thread Series Designator:
    Npt all ends
Manufacturers and Part Numbers
Part Number
Brand
D15-649-501T506
Westinghouse Electric Corp
BB55S47-102PC373
Naval Ship Systems Command
BB55S47-103PC373
Naval Ship Systems Command
CA68S5505-105ALT2PC162
Naval Ship Systems Command
CA68S5505-111ALT2PC162
Naval Ship Systems Command
CA68S5505-125PC173
Naval Ship Systems Command
CA68S5505-126PC173
Naval Ship Systems Command
CA68S5505-93ALT3PC501T0506
Naval Ship Systems Command
CA68S5505-94ALT2PC501T0506
Naval Ship Systems Command
CB1S4700-20ALT6PC501T0506
Naval Ship Systems Command
CB1S4700-20PC501T0506
Naval Ship Systems Command
CB1S4700-21ALT6PC501T0506
Naval Ship Systems Command
CB1S4700-29ALT6PC501T0506
Naval Ship Systems Command
CA122S5505-179253PC501T0506
Naval Ship Systems Command
CA68S5505-101ALT2PC501T0506
Naval Ship Systems Command
CA68S5505-102ALT1PC501T0506
Naval Ship Systems Command
CL103S4700-309876PC501T0506
Naval Ship Systems Command
CB1S4700-32PC162
Naval Ship Systems Command
CB1S4700-38PC162
Naval Ship Systems Command
CL55S47-80ALT6PC501T0506
Naval Ship Systems Command
CL55S47-81ALT6PC501T0506
Naval Ship Systems Command
CL55S47-88ALT6PC501T0506
Naval Ship Systems Command
CL55S47-89ALT6PC501T0506
Naval Ship Systems Command
CL55S47-92PC162
Naval Ship Systems Command
CL55S47-98PC162
Naval Ship Systems Command
CL55S4700-28ALT6PC501T0506
Naval Ship Systems Command
CV22S47-80ALT6PC501T0506
Naval Ship Systems Command
CV22S47-81ALT6PC501T0506
Naval Ship Systems Command
CV22S47-88ALT6PC501T0506
Naval Ship Systems Command
CV22S47-89ALT6PC501T0506
Naval Ship Systems Command
CV22S47-92PC162
Naval Ship Systems Command
CV22S47-98PC162
Naval Ship Systems Command
CVL48S5501-478939PC173
Naval Ship Systems Command
CVL48S5501-478940PC173
Naval Ship Systems Command
CVL48S5501-478970PC501T0506
Naval Ship Systems Command
CVL48S5501-47897501T0506
Naval Ship Systems Command
CVL48S5501-478978PC501T0506
Naval Ship Systems Command
CVL48S5501-478981PC51T0506
Naval Ship Systems Command
CVL48S5501-478982ALT3PC162
Naval Ship Systems Command
CVL48S5501-478988ALT3PC162
Naval Ship Systems Command
DD445S4601-249PC1PC501T0506
Naval Ship Systems Command
DD445S4601-250PC501T0506
Naval Ship Systems Command
DD445S4601-257PC501T0506
Naval Ship Systems Command
DD445S4601-258PC501T0506
Naval Ship Systems Command
DD445S4601-261ALT1PC162
Naval Ship Systems Command
D15-653APC501T0506
Westinghouse Electric Corp
D15-653BPC501T0506
Westinghouse Electric Corp
D15-649-501-506
Westinghouse Electric Corp
D15-649-501T0506-512
Westinghouse Electric Corp
D15-649BPC50T05 06
Northrop Grumman Systems Corporation
D15-649JPC501T0506
Westinghouse Electric Corp
D15-649MPC501T0506
Westinghouse Electric Corp
D15-653IPC501T0506
Westinghouse Electric Corp
D15-653JPC501T0506
Westinghouse Electric Corp
D15-675MPC501T0506
Westinghouse Electric Corp
D15-675MPC501T0506-508
Westinghouse Electric Corp
D15-675APC501T0506
Westinghouse Electric Corp
D15-675BPC501T0506
Westinghouse Electric Corp
D15-675IPC501T0506
Westinghouse Electric Corp
D15-675JPC501T0506
Westinghouse Electric Corp
D15-683-501T0506-508
Westinghouse Electric Corp
D15-683APC501T0506-508
Westinghouse Electric Corp
D15-683EPC501T0506
Westinghouse Electric Corp
C2555-1DPC373
Ex-cell-o Corp Machine Tool Products
3456-162
Ex-cell-o Corp Machine Tool Products
C2555-2DPC373
Ex-cell-o Corp Machine Tool Products
C3456-1PC162
Ex-cell-o Corp Machine Tool Products
C3456-8PC162
Ex-cell-o Corp Machine Tool Products
C3457-1PC162
Ex-cell-o Corp Machine Tool Products
C3591-1PC162
Ex-cell-o Corp Machine Tool Products
C3591-8PC162
Ex-cell-o Corp Machine Tool Products
C3593-1PC173
Ex-cell-o Corp Machine Tool Products
C3593-2PC173
Ex-cell-o Corp Machine Tool Products
D15-649BPC501T0506
Westinghouse Electric Corp
D15-683EPC501T0506-508
Westinghouse Electric Corp
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
MOE_CD:
DN
MOE_RL:
N9BC
PICA:
GX
DSOR:
User:
SPAIN Spain
MOE_CD:
YB
MOE_RL:
YB01
PICA:
YB
DSOR:
User:
ITALY Italy
MOE_CD:
ZR
MOE_RL:
ZR01
PICA:
ZR
DSOR:
User:
GREECE Greece
MOE_CD:
ZU
MOE_RL:
ZU01
PICA:
ZU
DSOR:
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A
Material and Special Handling
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
---
CRITL:
X
Hazmat (HMIC): N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals (PMIC): U
Precious metal content is unknown
Criticality (CRITL): X
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Packaging and Dimensions
Package Size
Package Weight
Part Weight
Part Dimensions (approx.)
Pack Size:
--
Pack Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
XX
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
00
LVL A:
Q
LVL B:
Q
LVL C:
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
XX
MOP:
ZZ
CATEG.:
PRESS MAT:
XX
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
XX
ICQ:
AAA
THK:
X
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):Q
Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.
LVL B Code (LVL_B): Q
Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.
Procedure Indicator Code (OPI): O
Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.
Special Markings Code (SPC MKG): 00
No special marking.
Method of Preservation (MOP): ZZ
See j.4.1.B.
Cushion Material (CUSH): XX
Preservation Material (PRESS MAT): XX