Aerospace Hardware Store

Aerospace

Hardware

25515635 Safety Relief Valve

4820-01-156-8317

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

721009661300
5310-00-167-0835
Flat Washer
721009663500
5310-01-121-8526
Recessed Washer
721009663800
5306-00-163-6805
Shear Bolt
721009663900
5310-01-008-6798
Recessed Washer
721009664300
5306-01-108-9376
Shear Bolt
721009664400
5310-00-877-9298
Extended Washer Self-Locking Nut
721009664500
5310-00-925-9645
Hexagon Self-Locking Nut
721009664600
5305-00-990-6381
Socket Head Cap Screw

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
Safety Relief Valve
Part Number
25515635
(NSN) National Stock Number
4820-01-156-8317
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
06/25/1983 (43 years ago)

threaded fastener mounting facility, hydraulic valve operation method

Specs & Compatibility

Valve Operation Method

hydraulic

Mounting Facility

threaded fastener

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
1257200 Safety Relief Valve
131-80434 Safety Relief Valve
2530011568317 Safety Relief Valve
25515635 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-156-8317?
The FSCG of the NSN 4820-01-156-8317 is 4820
Does the NSN 4820-01-156-8317 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-156-8317 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 4820-01-156-8317 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-156-8317 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 4820-01-156-8317 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sat, Jun 25, 1983