Valve, Relief, Pressure and Temper4820-01-729-7599

NSN 4820-01-729-7599 · NIIN 017297599 · Part number 157B5301

Danfoss Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 24976

Government record, cited

NSN 4820-01-729-7599 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-729-7599. Manufacturer of record part number: 157B5301.

Also searched as 4820-01-729-7599 · 4820017297599 · NIIN 017297599 · 01-729-7599 · FSC 4820 Valves, Nonpowered · CAGE 24976 · 157B5301

Nearby stock numbers ← 4820-01-729-7484 Valve, Check · 4820-01-729-7699 Ball, Check →

4820-01-729-7599 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
First End Thread Series Designator: UNF
First End Nominal Thread Size: 16.0 INCHES IN
1 manufacturer part number on file
Manufacturer of record: Danfoss Inc

Identification

NSN: 4820-01-729-7599
NIIN: 017297599
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 157B5301
Manufacturer: Danfoss Inc

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-729-7599, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Inc. Government technical data includes 2 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	4820-01-729-7599
Primary Part Number	157B5301
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Danfoss Inc
Status	ACTIVE
First End Thread Series Designator	UNF
First End Nominal Thread Size	16.0 INCHES IN

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
157B5301 PRIMARY	Danfoss 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 4820-01-729-7599?

NSN 4820-01-729-7599 is a Valve,relief,pressure and Temper, manufactured by Danfoss Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-729-7599?

NSN 4820-01-729-7599 has 1 manufacturer part number on file: 157B5301 (Danfoss Inc).

What are the specifications of 157B5301?

Key specifications for 157B5301: First End Thread Series Designator: UNF; Special Features: P-PORT 1-1/16UN;LS-,T-/M-PORT 1/2-20 UNF;MOUNTING PORT 5/16-18 UNC;POWER CONSUMPTION 20W;MAXIMUM LS RESPONSE TIME 300 MS W; Part Name Assigned by Controlling Agency: LS PRESSURE RELIEF VALVE; End Item Identification: VALVE, AUX CONTROL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-729-7599 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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