PartsTable TECHNICAL DATA SHEET

NSN 4820-00-987-1950Government record, cited

Parts Kit, Valve4820-00-987-1950

NSN 4820-00-987-1950 · NIIN 009871950 · Part number 6844546

Rolls-Royce Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63005

Government record, cited

NSN 4820-00-987-1950 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-987-1950. Manufacturer of record part number: 6844546.

Also searched as 4820-00-987-1950 · 4820009871950 · NIIN 009871950 · 00-987-1950 · FSC 4820 Valves, Nonpowered · CAGE 63005 · 6844546

Nearby stock numbers ← 4820-00-987-1819 · 4820-00-987-1966 Valve, Regulating, Fluid Pressure →

4820-00-987-1950 — Valves, Nonpowered

Features

Parts Kit,valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Rolls-Royce Corporation

Identification

NSN: 4820-00-987-1950
NIIN: 009871950
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6844546
Manufacturer: Rolls-Royce Corporation

General Description

The Parts Kit,valve, cataloged under National Stock Number 4820-00-987-1950, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Parts Kit,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	General Motors Corp (CAGE 24617); Rolls-Royce Corporation (CAGE 63005)

Technical Specifications

Parameter	Value
NSN	4820-00-987-1950
Primary Part Number	6844546
Item Name	Parts Kit,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Rolls-Royce Corporation
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
6844546	General Motors Corp (USA)
6844546 PRIMARY	Rolls-Royce Corporation (USA)

Reference documents

Reference	Meaning
6844546	3/2 Design control — primary reference U.S. Government activity
6844546	5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc

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 4820-00-987-1950?

NSN 4820-00-987-1950 is a Parts Kit,valve, manufactured by Rolls-Royce Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-987-1950?

NSN 4820-00-987-1950 has 2 manufacturer part numbers on file: 6844546 (General Motors Corp), 6844546 (Rolls-Royce Corporation).

Is NSN 4820-00-987-1950 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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