The Torsion Bar,suspension, cataloged under National Stock Number 2510-00-679-4544, is classified within Federal Supply Class 2510 (Vehicular Cab, Body, and Frame Structural Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2510-00-679-4544 |
| Primary Part Number | 10860134 |
| Item Name | Torsion Bar,suspension |
| FSC / FSG | 2510 / 25 — Vehicular Cab, Body, and Frame Structural Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| First End Pitch Diameter | 1.762 INCHES NOMINAL IN |
| Second End Serration Length | 1.062 INCHES NOMINAL IN |
| First End Major Diameter | 1.807 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN |
| Second End Thread Class | 2B |
| First End Thread Class | 2B |
| Second End Major Diameter | 1.619 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN |
| First End Thread Size | 3/8-16 |
| First End Thread Series/type Designator | UNIFIED NATIONAL COARSE (UNC) |
| First End Internal Thread Length | 0.750 INCHES NOMINAL IN |
| First End Teeth Quantity | 28 |
| First End Cross-Sectional Shape | SERRATED |
| Outside Diameter | 1.375 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN |
| Second End Thread Direction | RIGHT-HAND |
| First End Pressure Angle in Deg | 45.00 |
| Second End Pressure Angle in Deg | 45.00 |
| Second End Thread Size | 3/8-16 |
| First End Serration Length | 1.062 INCHES NOMINAL IN |
| Second End Chamfer Length | 0.125 INCHES NOMINAL IN |
| First End Chamfer Length | 0.125 INCHES NOMINAL IN |
| Twist Direction | COUNTERCLOCKWISE |
| Construction | SOLID |
| Solid Bar End Characteristic at Second End | THREADED HOLE |
| Second End Cross-Sectional Shape | SERRATED |
| Material | STEEL |
| Second End Thread Series/type Designator | UNIFIED NATIONAL COARSE (UNC) |
| Solid Bar End Characteristic at First End | THREADED HOLE |
| Second End Pitch Diameter | 1.519 INCHES NOMINAL IN |
| Second End Internal Thread Length | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10860134 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10860134 | 5/9 Secondary reference Spalla Inc |
NSN 2510-00-679-4544 is a Torsion Bar,suspension, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2510, Vehicular Cab, Body, and Frame Structural Components. Status: active.
NSN 2510-00-679-4544 has 1 manufacturer part number on file: 10860134 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10860134: First End Thread Direction: RIGHT-HAND; First End Pitch Diameter: 1.762 INCHES NOMINAL IN; Second End Serration Length: 1.062 INCHES NOMINAL IN; First End Major Diameter: 1.807 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.