The Coupler,drawbar,ring, cataloged under National Stock Number 2540-01-311-0209, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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 | 2540-01-311-0209 |
| Primary Part Number | 12370346 |
| Item Name | Coupler,drawbar,ring |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shank End Keyway | NOT PROVIDED |
| Ring Inside Diameter | 3.000 INCHES NOMINAL IN |
| Shank Length | 67.744 INCHES NOMINAL IN |
| Style Designator | ROUND TAPERED STEP SHANK W/SHOULDER |
| Painted Feature | NOT INCLUDED |
| Shank End Thread Provision | UNTHREADED |
| Ring Outside Diameter | 6.250 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 |
|---|---|
| 12370346 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-01-311-0209 is a Coupler,drawbar,ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-311-0209 has 1 manufacturer part number on file: 12370346 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12370346: Shank End Keyway: NOT PROVIDED; Ring Inside Diameter: 3.000 INCHES NOMINAL IN; Shank Length: 67.744 INCHES NOMINAL IN; Style Designator: ROUND TAPERED STEP SHANK W/SHOULDER. 7 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.