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4820-01-231-6655

Safety Relief Valve

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Featured Parts

4M7022
5342-00-945-5659
Ring
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5365-01-090-2287
Ring Brg Snap
4M7092
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Retaining Ring
4M7099
3020-00-930-7346
Ring Gear
4M7100
3020-00-955-6638
Ring Gear
4M7102
3020-01-301-8080
Internal Gear
4M72
5365-01-718-9218
Sleeve Spacer
4M72-3-100
5365-00-284-2053
Sleeve Spacer

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-231-6655
(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
05/01/1986 (40 years ago)

4820-01-231-6655, 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
2CS739 Safety Relief Valve
785025 Safety Relief Valve
9-926-104800 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-231-6655?
The FSCG of the NSN 4820-01-231-6655 is 4820
Does the NSN 4820-01-231-6655 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-231-6655 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 4820-01-231-6655 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-231-6655 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 4820-01-231-6655 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Thu, May 1, 1986