The Hook,pintle, cataloged under National Stock Number 2540-00-550-3739, 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 14 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.
| Parameter | Value |
|---|---|
| NSN | 2540-00-550-3739 |
| Primary Part Number | 5503739 |
| Item Name | Hook,pintle |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Coupler Type | MANUAL |
| Latch Lever Hole | NOT INCLUDED |
| Flange Thickness | 0.875 INCHES NOMINAL IN |
| Design Type | FLANGE |
| Flange Bolt Hole Spacing | 1-1/2 IN. BY 2 IN. MTG CENTERS IN |
| Bolt Hole Diameter | 0.906 INCHES NOMINAL IN |
| Flange Length | 5.812 INCHES NOMINAL IN |
| Head Length | 4.188 INCHES NOMINAL IN |
| Throat Opening Size | 1.125 INCHES NOMINAL IN |
| Height | 3.250 INCHES NOMINAL IN |
| Flange Width | 2.500 INCHES NOMINAL IN |
| Width | 2.500 INCHES NOMINAL IN |
| Material | STEEL |
| Flange Bolt Hole Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5503739 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-00-550-3739 is a Hook,pintle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-550-3739 has 1 manufacturer part number on file: 5503739 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5503739: Coupler Type: MANUAL; Latch Lever Hole: NOT INCLUDED; Flange Thickness: 0.875 INCHES NOMINAL IN; Design Type: FLANGE. 14 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.