The Coupler,drawbar,ring, cataloged under National Stock Number 2540-01-436-5503, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2540-01-436-5503 |
| Primary Part Number | 11580772 |
| Item Name | Coupler,drawbar,ring |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Holes | 6.164 INCHES NOMINAL IN |
| Style Designator | TRIANGULAR, 2 RAISED FACE MOUNTING HOLES |
| Mounting Hole Diameter | 1.750 INCHES NOMINAL IN |
| Second Mounting Hole Diameter | 1.500 INCHES NOMINAL IN |
| Height | 1.630 INCHES NOMINAL IN |
| Shank End Thread Provision | UNTHREADED |
| 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 |
|---|---|
| 11580772 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 2540PL2205642 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2540-01-436-5503 is a Coupler,drawbar,ring, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-436-5503 has 1 manufacturer part number on file: 11580772 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 11580772: Center to Center Distance Between Mounting Holes: 6.164 INCHES NOMINAL IN; Style Designator: TRIANGULAR, 2 RAISED FACE MOUNTING HOLES; Mounting Hole Diameter: 1.750 INCHES NOMINAL IN; Second Mounting Hole Diameter: 1.500 INCHES NOMINAL IN. 6 specifications are 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.