The Coupler,drawbar,ring, cataloged under National Stock Number 2540-00-712-8026, 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 Rock Island Arsenal Jmtc. Government technical data includes 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-00-712-8026 |
| Primary Part Number | 7128026 |
| Item Name | Coupler,drawbar,ring |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Shank End Keyway | NOT PROVIDED |
| Ring Inside Diameter | 3.000 INCHES NOMINAL IN |
| Shank Length | 4.060 INCHES NOMINAL IN |
| Style Designator | STRAIGHT ROUND STEPPED SHANK W/SHOULDER |
| Thread Length | 1.000 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Painted Feature | NOT INCLUDED |
| Thread Size | 1.00 IN.-14 IN |
| Screw Thread Series Designator | UNS |
| Shank End Thread Provision | THREADED |
| Ring Outside Diameter | 6.240 INCHES NOMINAL 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 |
|---|---|
| 7128026 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 2540-00-712-8026 is a Coupler,drawbar,ring, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-712-8026 has 1 manufacturer part number on file: 7128026 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7128026: Shank End Keyway: NOT PROVIDED; Ring Inside Diameter: 3.000 INCHES NOMINAL IN; Shank Length: 4.060 INCHES NOMINAL IN; Style Designator: STRAIGHT ROUND STEPPED SHANK W/SHOULDER. 11 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.