PartsTable TECHNICAL DATA SHEET

NSN 4820-01-301-7295Government record, cited

Valve, Safety Relief4820-01-301-7295

NSN 4820-01-301-7295 · NIIN 013017295 · Part number 5159B-2MP-175

Mcnaughton Dynamics Limited · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE U7709

Government record, cited

NSN 4820-01-301-7295 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-301-7295. Manufacturer of record part number: 5159B-2MP-175.

Also searched as 4820-01-301-7295 · 4820013017295 · NIIN 013017295 · 01-301-7295 · FSC 4820 Valves, Nonpowered · CAGE U7709 · 5159B-2MP-175

Nearby stock numbers ← 4820-01-301-7294 Valve, Safety Relief · 4820-01-301-7296 →

4820-01-301-7295 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Mcnaughton Dynamics Limited

Identification

NSN: 4820-01-301-7295
NIIN: 013017295
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 5159B-2MP-175
Manufacturer: Mcnaughton Dynamics Limited

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-301-7295, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcnaughton Dynamics Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Mcnaughton Dynamics Limited (CAGE U7709)

Technical Specifications

Parameter	Value
NSN	4820-01-301-7295
Primary Part Number	5159B-2MP-175
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mcnaughton Dynamics Limited
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
5159B-2MP-175	Mcnaughton Dynamics Limited (GBR)

Reference documents

Reference	Meaning
5159B-2MP-175	3/2 Design control — primary reference U.S. Government activity

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 4820-01-301-7295?

NSN 4820-01-301-7295 is a Valve,safety Relief, manufactured by Mcnaughton Dynamics Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-301-7295?

NSN 4820-01-301-7295 has 1 manufacturer part number on file: 5159B-2MP-175 (Mcnaughton Dynamics Limited).

Is NSN 4820-01-301-7295 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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