The Spring Assembly,leaf, cataloged under National Stock Number 2510-00-318-1018, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2510-00-318-1018 |
| Primary Part Number | 7979440 |
| Item Name | Spring Assembly,leaf |
| FSC / FSG | 2510 / 25 — Vehicular Cab, Body, and Frame Structural Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material Hardness Rating | 41.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM |
| Design Type | MAINSPRING |
| Spring Length Under Load | 52.000 INCHES NOMINAL IN |
| Elliptic Shape | SEMI |
| Rebound Clip Quantity | 4 |
| 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 |
|---|---|
| 7979440 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 15633 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2510-00-318-1018 is a Spring Assembly,leaf, 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 2510-00-318-1018 has 1 manufacturer part number on file: 7979440 (U S Army Tank Automotive Command Amsta-Im-Mm).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-295-2284, 5985-01-374-1650, 6530-01-565-2679. Verify interchangeability with system specifications before substitution.
Key specifications for 7979440: Material Hardness Rating: 41.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM; Design Type: MAINSPRING; Spring Length Under Load: 52.000 INCHES NOMINAL IN; Elliptic Shape: SEMI. 5 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.