Valve, Safety Relief4820-01-231-6641

NSN 4820-01-231-6641 · NIIN 012316641 · Part number 7946A72H01

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 31442

Government record, cited

NSN 4820-01-231-6641 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-231-6641. Manufacturer of record part number: 7946A72H01.

Also searched as 4820-01-231-6641 · 4820012316641 · NIIN 012316641 · 01-231-6641 · FSC 4820 Valves, Nonpowered · CAGE 31442 · 7946A72H01

Nearby stock numbers ← 4820-01-231-6640 Valve, Check · 4820-01-231-6651 Valve, Float →

4820-01-231-6641 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

Identification

NSN: 4820-01-231-6641
NIIN: 012316641
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7946A72H01
Manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-231-6641, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442)

Technical Specifications

Parameter	Value
NSN	4820-01-231-6641
Primary Part Number	7946A72H01
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
7946A72H01 PRIMARY	Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-231-6641?

NSN 4820-01-231-6641 is a Valve,safety Relief, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-231-6641?

NSN 4820-01-231-6641 has 1 manufacturer part number on file: 7946A72H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

Is NSN 4820-01-231-6641 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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