NSN 2540-00-591-1955 — this item is cataloged by the U.S. Government under National Stock Number 2540-00-591-1955. Manufacturer of record part number: 1S7171.
Also searched as2540-00-591-1955 ·
2540005911955 ·
NIIN 005911955 ·
00-591-1955 ·
FSC 2540 Vehicular Furniture and Accessories · CAGE 11083 · 1S7171 · 4H4078 · 9C3361
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Cushion,seat,vehicular, cataloged under National Stock Number 2540-00-591-1955, 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. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
2540-00-591-1955
Primary Part Number
1S7171
Item Name
Cushion,seat,vehicular
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Material Type
THERMOPLASTIC PADDING
Overall Thickness
4.500 INCHES NOMINAL IN
Material Form
FOAM PADDING
Color
BLACK
Material
PLASTIC VINYL COVER
Material
WOOD FRAME
Material
PLASTIC PADDING
Spring
NOT INCLUDED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 2540-00-591-1955?
NSN 2540-00-591-1955 is a Cushion,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 2540-00-591-1955?
NSN 2540-00-591-1955 has 2 manufacturer part numbers on file: 1S7171 (Caterpillar Inc Div Caterpillar Defense), 9C3361 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 1S7171?
Key specifications for 1S7171: Material Type: THERMOPLASTIC PADDING; Overall Thickness: 4.500 INCHES NOMINAL IN; Material Form: FOAM PADDING; Overall Length: 14.750 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 2540-00-591-1955 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.