Valve, Safety Relief4820-01-692-2922

NSN 4820-01-692-2922 · NIIN 016922922 · Part number 9537-01

Howell Laboratories Inc Dba Howell Laboratories Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 22501

Government record, cited

NSN 4820-01-692-2922 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-692-2922. Manufacturer of record part number: 9537-01.

Also searched as 4820-01-692-2922 · 4820016922922 · NIIN 016922922 · 01-692-2922 · FSC 4820 Valves, Nonpowered · CAGE 22501 · 9537-01 · 9180-G517 ITEM NO 24 · 9180-G517

Nearby stock numbers ← 4820-01-692-2801 Valve, Flow Control · 4820-01-692-2925 Valve Assembly, Manifold →

4820-01-692-2922 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Howell Laboratories Inc Dba Howell Laboratories Inc

Identification

NSN: 4820-01-692-2922
NIIN: 016922922
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9537-01
Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-692-2922, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Howell Laboratories Inc Dba Howell Laboratories Inc (CAGE 22501)

Technical Specifications

Parameter	Value
NSN	4820-01-692-2922
Primary Part Number	9537-01
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Howell Laboratories Inc Dba Howell Laboratories Inc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
9537-01 PRIMARY	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)

Reference documents

Reference	Meaning
9180-G517 ITEM NO 24	C/1 Advisory reference — outside the item-of-supply concept Howell Laboratories Inc Dba Howell Laboratories Inc
9180-G517	D/9 Drawing number reference only Howell Laboratories Inc Dba Howell Laboratories Inc

Frequently Asked Questions

What is NSN 4820-01-692-2922?

NSN 4820-01-692-2922 is a Valve,safety Relief, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-692-2922?

NSN 4820-01-692-2922 has 1 manufacturer part number on file: 9537-01 (Howell Laboratories Inc Dba Howell Laboratories Inc).

Is NSN 4820-01-692-2922 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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