4820-01-074-0297

Description: Check Valve

Price Quote

Qty:
Email Address:
Phone Number:
Company:
Privacy    Terms

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: MIL-B-21230

 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.)

More MIL-B-21230 Parts

MIL-B-21230 Check Valve

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-B-21230

Array Properties

  • NSN:
    Array
  • Description:
    Check Valve
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 EA
  • Flow Control Device:
    Disk
  • Bolt Hole Quantity:
    14 all ends
  • Valve Operation Method:
    Automatic
  • Flange Shape:
    Round with holes all ends
  • Connection Type:
    Flange all ends
  • Mounting Position:
    Horizontal
  • Valve Size:
    6.000 inches
  • Maximum Operating Pressure:
    700.0 pounds per square inch single response
  • Outside Diameter:
    10.375 inches all ends
  • Face To Face Distance:
    18.000 inches
  • Thickness:
    1.938 inches all ends
  • Bolt Hole Diameter:
    0.688 inches all ends
  • Bolt Circle Diameter:
    9.375 inches all ends
  • Flange Face Design:
    Plain all ends
  • Material:
    Rubber butadiene-acrylonitrile class nbr flow control device and aluminum alloy flow control device
  • Material Specification:
    Mil-p-5516, class b military specification 1st material response flow control device and mil-b-24480 military specification 2nd material response flow control device
  • Media For Which Designed:
    Water-oil-gas single response
  • Style Designator:
    Straight through flanged ends
Manufacturers and Part Numbers
Part Number
Brand
SS845-2181251ASSYRE6IN
Naval Sea Systems Command
2620-927X9ASSYRE6IN
Electric Boat Corporation
2181251ASSYRE6IN
Naval Sea Systems Command
SS845-2181251
Naval Sea Systems Command
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:
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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:
10
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:
20
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): 20
Preservative coating only (with greaseproof wrap, as required).
Cushion Material (CUSH): XX
Preservation Material (PRESS MAT): XX