Valve, Safety Relief4820-01-292-8518

NSN 4820-01-292-8518 · NIIN 012928518 · Part number 7-27446

Superior Compressor Company Dba Grimmer Schmidt Smith Compressors · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 7P354

Government record, cited

NSN 4820-01-292-8518 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-292-8518. Manufacturer of record part number: 7-27446.

Also searched as 4820-01-292-8518 · 4820012928518 · NIIN 012928518 · 01-292-8518 · FSC 4820 Valves, Nonpowered · CAGE 7P354 · 7-27446

Nearby stock numbers ← 4820-01-292-8517 · 4820-01-292-8519 Valve, Safety Relief →

4820-01-292-8518 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: DISK
Valve Size: 1.250 INCHES IN
Opening Pressure Setting: 140.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Superior Compressor Company Dba Grimmer Schmidt Smith Compressors

Identification

NSN: 4820-01-292-8518
NIIN: 012928518
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7-27446
Manufacturer: Superior Compressor Company Dba Grimmer Schmidt Smith Compressors

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-292-8518, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Superior Compressor Company Dba Grimmer Schmidt Smith Compressors. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-292-8518
Primary Part Number	7-27446
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Superior Compressor Company Dba Grimmer Schmidt Smith Compressors
Status	ACTIVE
Flow Control Device	DISK
Valve Size	1.250 INCHES IN
Opening Pressure Setting	140.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method	AUTOMATIC

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
7-27446 PRIMARY	Superior Compressor Company Dba Grimmer Schmidt Smith Compressors (USA)

Frequently Asked Questions

What is NSN 4820-01-292-8518?

NSN 4820-01-292-8518 is a Valve,safety Relief, manufactured by Superior Compressor Company Dba Grimmer Schmidt Smith Compressors, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-292-8518?

NSN 4820-01-292-8518 has 1 manufacturer part number on file: 7-27446 (Superior Compressor Company Dba Grimmer Schmidt Smith Compressors).

What are the specifications of 7-27446?

Key specifications for 7-27446: Flow Control Device: DISK; Valve Size: 1.250 INCHES IN; Opening Pressure Setting: 140.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-292-8518 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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