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Vent Valve NSN 4820-01-038-0403

Item Description

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

NSN 4820-01-038-0403 NSN: 4820-01-038-0403

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Connection Style
G50 external seat for gasket seal (boss) 1st end
Connection Type
Threaded external boss 1st end
Thread Size
0.437 inches 1st end
Special Features
Drilled for lockwire
Material
Rubber synthetic seat
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response body
Media For Which Designed
Nitrogen, gaseous 2nd response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 1 military specification single treatment response
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
010380403
NSN
4820010380403

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P4-673
Cage Code:
91816
Status:
A
MSDS:
Part Number:
887C051933
Cage Code:
03956
Status:
A
MSDS:
Part Number:
887C0511933
Cage Code:
34228
Status:
A
MSDS:
Part Number:
051193
Cage Code:
34228
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809050
  • NAICS: 332911
  • SITC: 74780
  • Description: Other taps, cocks, valves, etc., nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-038-0403
What are the manufacturers of nsn 4820010380403?
Does this nsn 4820010380403 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010380403
A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. may or may not be threaded on one end. for items with relief pressure ratings see valve (1), safety relief.
Does nsn 4820010380403 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010380403 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010380403?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
35935
FIIG:
A046B0
App. Key:
AA
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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