Valve, Safety Relief4820-01-589-9794

NSN 4820-01-589-9794 · NIIN 015899794 · Part number 8075-01

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

Government record, cited

NSN 4820-01-589-9794 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-589-9794. Manufacturer of record part number: 8075-01.

Also searched as 4820-01-589-9794 · 4820015899794 · NIIN 015899794 · 01-589-9794 · FSC 4820 Valves, Nonpowered · CAGE 22501 · 8075-01 · 7778 ITEM 19

Nearby stock numbers ← 4820-01-589-9784 Valve, Ball · 4820-01-589-9807 Valve, Pneumatic Inflator →

4820-01-589-9794 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Material: COPPER ALLOY BODY
2 manufacturer part numbers on file
Manufacturer of record: Howell Laboratories Inc Dba Howell Laboratories Inc

Identification

NSN: 4820-01-589-9794
NIIN: 015899794
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8075-01
Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-589-9794, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-589-9794
Primary Part Number	8075-01
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Howell Laboratories Inc Dba Howell Laboratories Inc
Status	ACTIVE
Material	COPPER ALLOY BODY

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
7778 ITEM 19	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
8075-01 PRIMARY	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)

Frequently Asked Questions

What is NSN 4820-01-589-9794?

NSN 4820-01-589-9794 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 4820-01-589-9794?

NSN 4820-01-589-9794 has 2 manufacturer part numbers on file: 7778 ITEM 19 (Howell Laboratories Inc Dba Howell Laboratories Inc), 8075-01 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What are the specifications of 8075-01?

Key specifications for 8075-01: Part Name Assigned by Controlling Agency: AIR RELIEF VALVE; End Item Identification: NEXT HIGHER ASSEMBLY 7772D 9/16 INCH 18 TREAD IN; Material: COPPER ALLOY BODY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-589-9794 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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