Valve, Relief, Pressure and Temper4820-01-693-7729

NSN 4820-01-693-7729 · NIIN 016937729 · Part number 9537-02

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

Government record, cited

NSN 4820-01-693-7729 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-693-7729. Manufacturer of record part number: 9537-02.

Also searched as 4820-01-693-7729 · 4820016937729 · NIIN 016937729 · 01-693-7729 · FSC 4820 Valves, Nonpowered · CAGE 22501 · 9537-02

Nearby stock numbers ← 4820-01-693-7698 Valve, Check · 4820-01-693-7806 Valve, Relief, Pressure and Temper →

4820-01-693-7729 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Howell Laboratories Inc Dba Howell Laboratories Inc

Identification

NSN: 4820-01-693-7729
NIIN: 016937729
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9537-02
Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-693-7729, 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. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Howell Laboratories Inc Dba Howell Laboratories Inc (CAGE 22501)

Technical Specifications

Parameter	Value
NSN	4820-01-693-7729
Primary Part Number	9537-02
Item Name	Valve,relief,pressure and Temper
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
9537-02 PRIMARY	Howell Laboratories Inc Dba Howell Laboratories Inc (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 4820-01-693-7729?

NSN 4820-01-693-7729 is a Valve,relief,pressure and Temper, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-693-7729?

NSN 4820-01-693-7729 has 1 manufacturer part number on file: 9537-02 (Howell Laboratories Inc Dba Howell Laboratories Inc).

Is NSN 4820-01-693-7729 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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