The Coupler,drawbar,ball Socket, cataloged under National Stock Number 2540-01-286-3303, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-286-3303 |
| Primary Part Number | 5R8101 |
| Item Name | Coupler,drawbar,ball Socket |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| General Characteristics Item Description | 33.000 IN. W,29.750 IN. H,4.000 IN. TUBE DIA,1.500 IN. PIN DIA,2.500 IN. CY BORE,2.750 IN. CY STROKE IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 5R8101 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| MODEL BQ950 | 5/9 Secondary reference U.S. Government activity |
| 7092C1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2540-01-286-3303 is a Coupler,drawbar,ball Socket, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-286-3303 has 1 manufacturer part number on file: 5R8101 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5R8101: General Characteristics Item Description: 33.000 IN. W,29.750 IN. H,4.000 IN. TUBE DIA,1.500 IN. PIN DIA,2.500 IN. CY BORE,2.750 IN. CY STROKE IN; End Item Identification: 3805-01-260-5163. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.