PartsTable TECHNICAL DATA SHEET

NSN 2590-01-157-7976Government record, cited

Disk, Brake, Winch2590-01-157-7976

NSN 2590-01-157-7976 · NIIN 011577976 · Part number 999 4891

Hiab Usa Inc · FSC 2590 — Miscellaneous Vehicular Components · FSG 25 — Vehicular Equipment Components · CAGE 34914

Government record, cited

NSN 2590-01-157-7976 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-157-7976. Manufacturer of record part number: 999 4891.

Also searched as 2590-01-157-7976 · 2590011577976 · NIIN 011577976 · 01-157-7976 · FSC 2590 Miscellaneous Vehicular Components · CAGE 34914 · 999 4891 · 2AW621 · 2AW621

Nearby stock numbers ← 2590-01-157-7966 Cap, Filler Opening · 2590-01-157-7977 Disk, Brake, Winch →

Features

Disk,brake,winch — FSC 2590
2 manufacturer part numbers on file
Manufacturer of record: Hiab Usa Inc

Identification

NSN: 2590-01-157-7976
NIIN: 011577976
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 999 4891
Manufacturer: Hiab Usa Inc

General Description

The Disk,brake,winch, cataloged under National Stock Number 2590-01-157-7976, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Hiab Usa Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	2590-01-157-7976
Primary Part Number	999 4891
Item Name	Disk,brake,winch
FSC / FSG	2590 / 25 — Miscellaneous Vehicular Components
Manufacturer	Hiab Usa Inc
Status	ACTIVE

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
999 4891 PRIMARY	Hiab Usa Inc (USA)
2AW621	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
2AW621	5/9 Secondary reference Oshkosh Corp

No interchangeability data on file.

Other items in FSC 2590 — Miscellaneous Vehicular Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2590-00-006-7503

2590-00-006-7503 · Item name not on file

2590-00-007-2356

2590-00-007-2356 · Item name not on file

2590-01-151-9629

HYDROVAC

2590-01-445-9216

VALVE,AIR CONTROL

2590-01-468-7350

WINCH,DRUM,VEHICLE MOUNTING

2590-01-600-0314

VEHICULAR AMMO POUC

2590-01-600-0319

VEHICULAR AMMO POUCH

2590-01-608-6611

BRACKET,VEHICULAR COMPONENTS

Frequently Asked Questions

What is NSN 2590-01-157-7976?

NSN 2590-01-157-7976 is a Disk,brake,winch, manufactured by Hiab Usa Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.

What part numbers are listed for NSN 2590-01-157-7976?

NSN 2590-01-157-7976 has 2 manufacturer part numbers on file: 999 4891 (Hiab Usa Inc), 2AW621 (Oshkosh Defense Llc).

What are the specifications of 999 4891?

Key specifications for 999 4891: End Item Identification: 2320-01-099-6421. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2590-01-157-7976 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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