PartsTable TECHNICAL DATA SHEET

NSN 2540-01-159-2991Government record, cited

Seat, Vehicular2540-01-159-2991

NSN 2540-01-159-2991 · NIIN 011592991 · Part number 6W8502

Caterpillar Inc Div Caterpillar Defense · FSC 2540 — Vehicular Furniture and Accessories · FSG 25 — Vehicular Equipment Components · CAGE 11083

Government record, cited

NSN 2540-01-159-2991 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-159-2991. Manufacturer of record part number: 6W8502.

Also searched as 2540-01-159-2991 · 2540011592991 · NIIN 011592991 · 01-159-2991 · FSC 2540 Vehicular Furniture and Accessories · CAGE 11083 · 6W8502 · 5V4861

Nearby stock numbers ← 2540-01-159-2990 Cushion, Seat, Vehicular · 2540-01-159-2992 Bumper, Vehicular →

Features

Seat,vehicular — FSC 2540
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2540-01-159-2991
NIIN: 011592991
FSC: 2540 — Vehicular Furniture and Accessories
FSG: 25 — Vehicular Equipment Components
Primary part number: 6W8502
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Seat,vehicular, cataloged under National Stock Number 2540-01-159-2991, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.

Catalog Facts

Item Name	Seat,vehicular
FSC / FSG	2540 — Vehicular Furniture and Accessories (FSG 25)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	2540-01-159-2991
Primary Part Number	6W8502
Item Name	Seat,vehicular
FSC / FSG	2540 / 25 — Vehicular Furniture and Accessories
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X
Unit of Issue	EA

Cross-Reference Index

Part Number	Manufacturer
6W8502 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
5V4861	5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense

No interchangeability data on file.

Other items in FSC 2540 — Vehicular Furniture and Accessories

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

2540-00-003-8351

BOW,VEHICULAR TOP

2540-00-211-6255

ADAPTER,FLANGE

2540-00-286-9674

MIRROR ASSEMBLY,REARVIEW

2540-00-383-5078

PINTLE ASSEMBLY,TOWING

2540-00-402-8320

PEDAL,CONTROL

2540-00-693-1039

LINK,REPAIR,TIRE CROSS CHAIN

2540-01-221-1441

VENTILATOR,AIR CIRCULATING

2540-01-568-0545

INSULATION,VEHICULAR

Frequently Asked Questions

What is NSN 2540-01-159-2991?

NSN 2540-01-159-2991 is a Seat,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.

What part numbers are listed for NSN 2540-01-159-2991?

NSN 2540-01-159-2991 has 1 manufacturer part number on file: 6W8502 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 2540-01-159-2991 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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