Aerospace Hardware Store

Aerospace

Hardware

8431395 Pressure and Temper Relief Valve

4820-01-252-4380

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

810-2178494 ASS
4820-01-142-2213
Ball Valve
810-2178494 ASSY A MOD
4820-01-092-4300
Ball Valve
810-2178494 ASSY A MODL1
4820-01-092-4300
Ball Valve
810-2178494 PC 7
4820-01-325-1461
Fluid Valve Stem
810-2178494 PC 7L1
4820-01-325-1461
Fluid Valve Stem
810-2178494 PIE
4820-01-086-8092
Fluid Valve Stem
810-2178494 PIECE 10
4820-01-103-9013
Indicator
810-2178494 PIECE 23
5340-01-126-8952
Handwheel

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Pressure and Temper Relief Valve
Part Number
8431395
(NSN) National Stock Number
4820-01-252-4380
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
16996
(FIIG) Federal Item Identification Guide
A07100
Date
04/03/1987 (39 years ago)

"tee give "adql" and "adqm" only when flanged all ends" body style, -10.0 celsius and 55.0 celsius temp rating, flare first end style designator, threaded internal pipe first end connection type, air media for which designed

Specs & Compatibility

Body Style

"tee give "adql" and "adqm" only when flanged all ends"

Temp Rating

-10.0 celsius and 55.0 celsius

Media For Which Designed

air

First End Connection Type

threaded internal pipe

First End Style Designator

flare

First End Nominal Pipe Size Accommodated

0.250 inches

First End Thread Direction

right-hand

Second End Relationship With First End

identical

Third End Relationship With Preceding Ends

identical with first end

Flow Control Device

disk, circular

End Connection Quantity

3

Temp Adjustability

adjustable

Temp Control Device Type

thermostatic

Special Features

used on p/n8431365;aim-9 msl; dim o/a lg 8.500 ins;o/a w 2.375 ins; storage temp range m 62.0 deg celsius to pos 85.0 deg celsius

Material

plastic polytetrafluoroethylene seat

Material

steel corrosion resisting body

Surface Treatment

passivate outside

Reference Number Differentiating Characteristics

as differentiated by source control drug

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0016996

Related Hardware Products

Part Number Description
8431395 Pressure and Temper Relief Valve
RVG-100 Pressure and Temper Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-252-4380?
The FSCG of the NSN 4820-01-252-4380 is 4820
Does the NSN 4820-01-252-4380 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-252-4380 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-01-252-4380 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-252-4380 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-252-4380 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Apr 3, 1987