Aerospace Hardware Store

Aerospace

Hardware

4820-01-657-3735

Safety Relief Valve

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

4710PL0759786
4710-01-409-2504
Metal Tube Assembly
4710PL0759793
4710-01-439-8165
Metallic Bent Tube
4710PL0767477
4710-01-358-8410
Metallic Bent Tube
4710PL0775803
4710-01-185-9667
Metal Tube Assembly
4710PL0775818
4710-01-358-1943
Metal Tube Assembly
4710PL0775827
4710-01-434-3151
Metal Tube Assembly
4710PL0775836
4710-01-434-3037
Metal Tube Assembly
4710PL0775842
4710-01-472-7011
Metal Tube Assembly

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
(NSN) National Stock Number
4820-01-657-3735
(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
08/10/2016 (10 years ago)

4820-01-657-3735, safety relief valve

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

0005488

Related Hardware Products

Part Number Description
HI-1458-3000 ITEM NO 17 Safety Relief Valve
PRDC-CSV/AP Safety Relief Valve
PRDC-CVI/AP-100PSI Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-657-3735?
The FSCG of the NSN 4820-01-657-3735 is 4820
Does the NSN 4820-01-657-3735 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-657-3735 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 4820-01-657-3735 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-657-3735 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 4820-01-657-3735 was assigned to the Federal Catalog?
It was assigned 10 years ago, on Wed, Aug 10, 2016