4820-01-221-2048

Description: Safety Relief Valve

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MILSPEC: MIL-B-15083

 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.)

MIL-B-15083 Safety Relief Valve

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-B-15083

4820-01-221-2048 Properties

  • NSN:
    4820-01-221-2048
  • Description:
    Safety Relief Valve
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 EA
  • Flow Control Device:
    Disk
  • Bonnet Type:
    Inside spring
  • Bonnet Attachment Method:
    Union
  • Disk Loading Method:
    Spring
  • Bolt Hole Quantity:
    4 all ends
  • Maximum Operating Temp:
    650.0 degrees fahrenheit single response
  • Valve Operation Method:
    Automatic
  • Flange Shape:
    Round with holes all ends
  • Connection Type:
    Flange all ends
  • Valve Size:
    1.250 inches
  • Adjustable Pressure Range:
    +51.0 to 70.0 pounds per square inch
  • Maximum Operating Pressure:
    200.0 pounds per square inch 3rd response
  • Outside Diameter:
    4.500 inches all ends
  • Thickness:
    0.438 inches all ends
  • First Connection Face To Centerline Distance:
    5.000 inches
  • Bolt Hole Diameter:
    0.562 inches all ends
  • Second Connection Face To Centerline Distance:
    4.250 inches
  • Bolt Circle Diameter:
    3.375 inches all ends
  • Flange Face Design:
    Plain all ends
  • Material:
    Stainless steel stem
  • Material Specification:
    Mil-b-15083 cl b military specification single material response body
  • Media For Which Designed:
    Air 3rd response
  • Style Designator:
    C1a angle flanged ends
Manufacturers and Part Numbers
Part Number
Brand
L3110B-11/4IN N
Kunkle Industries
NMP0305B01S0051
Anderson Greenwood Lp
3,129,389
Naval Sea Systems Command
L3110B-11/4IN NMP305-51T70PSI
Anderson Greenwood Lp
NMP305
Anderson Greenwood Lp
NMP305 RANGE 51 TO 70 PSI
Anderson Greenwood Lp
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
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:
A
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): A
Item does not contain precious metal.
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:
30.0000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
D3
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:
AE
CATEG.:
PRESS MAT:
00
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): AE
Seal or plug all openings and preserve by method 10.
Cushion Material (CUSH): XX
Preservation Material (PRESS MAT): 00
No requirement.