Valve, Safety Relief4820-01-449-8429

NSN 4820-01-449-8429 · NIIN 014498429 · Part number 150.153.162

Holmatro Incorporated · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0B0C0

Government record, cited

NSN 4820-01-449-8429 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-449-8429. Manufacturer of record part number: 150.153.162.

Also searched as 4820-01-449-8429 · 4820014498429 · NIIN 014498429 · 01-449-8429 · FSC 4820 Valves, Nonpowered · CAGE 0B0C0 · 150.153.162 · 2035YU ITEM 104

Nearby stock numbers ← 4820-01-449-8420 Seat, Valve · 4820-01-449-8468 Valve, Safety Relief →

4820-01-449-8429 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Holmatro Incorporated

Identification

NSN: 4820-01-449-8429
NIIN: 014498429
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 150.153.162
Manufacturer: Holmatro Incorporated

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-449-8429, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Holmatro Incorporated. 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	4820-01-449-8429
Primary Part Number	150.153.162
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Holmatro Incorporated
Status	ACTIVE
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
2035YU ITEM 104	Holmatro Incorporated (USA)
150.153.162 PRIMARY	Holmatro Incorporated (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 4820-01-449-8429?

NSN 4820-01-449-8429 is a Valve,safety Relief, manufactured by Holmatro Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-449-8429?

NSN 4820-01-449-8429 has 2 manufacturer part numbers on file: 2035YU ITEM 104 (Holmatro Incorporated), 150.153.162 (Holmatro Incorporated).

What are the specifications of 150.153.162?

Key specifications for 150.153.162: Special Features: FOR DIESEL PUMP UNIT OF YANMAR DIESEL ENGINE; End Item Identification: TICONDEROGA CLASS CG(47); Valve Operation Method: AUTOMATIC. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-449-8429 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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