Valve, Safety Relief4820-01-377-2959

NSN 4820-01-377-2959 · NIIN 013772959 · Part number 9J0622

Caterpillar Inc Div Caterpillar Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11083

Government record, cited

NSN 4820-01-377-2959 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-377-2959. Manufacturer of record part number: 9J0622.

Also searched as 4820-01-377-2959 · 4820013772959 · NIIN 013772959 · 01-377-2959 · FSC 4820 Valves, Nonpowered · CAGE 11083 · 9J0622

Nearby stock numbers ← 4820-01-377-2958 Valve, Linear, Directional Control · 4820-01-377-2960 Valve, Safety Relief →

4820-01-377-2959 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: POPPET
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4820-01-377-2959
NIIN: 013772959
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9J0622
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-377-2959, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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	4820-01-377-2959
Primary Part Number	9J0622
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Flow Control Device	POPPET
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
9J0622 PRIMARY	Caterpillar Inc Div Caterpillar Defense (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 4820-01-377-2959?

NSN 4820-01-377-2959 is a Valve,safety Relief, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-377-2959?

NSN 4820-01-377-2959 has 1 manufacturer part number on file: 9J0622 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 9J0622?

Key specifications for 9J0622: Flow Control Device: POPPET; End Item Identification: CATERPILLAR INC TRUCK, MODEL 769C; Valve Operation Method: AUTOMATIC. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-377-2959 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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