The Spring Assembly,leaf, cataloged under National Stock Number 2510-01-617-2553, 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 Holden Industries, Inc. Dba Holden Industries Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2510-01-617-2553 |
| Primary Part Number | 72-44-1 |
| Item Name | Spring Assembly,leaf |
| FSC / FSG | 2510 / 25 — Vehicular Cab, Body, and Frame Structural Components |
| Manufacturer | Holden Industries, Inc. Dba Holden Industries Inc |
| Status | ACTIVE |
| Spring Length Under Load | 762.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PAINT OVERALL |
| Bushing Type | PLAIN |
| Test Data Document | 44940-A030H773 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| 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 |
|---|---|
| 72-44-1 | Holden Industries, Inc. Dba Holden Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 072-044-01 | 5/9 Secondary reference Holden Industries, Inc. Dba Holden Industries Inc |
| A030H773 | D/9 Drawing number reference only Cummins Power Generation Inc. |
| 072-044-01 | 5/9 Secondary reference Dexter Axle Company Llc |
| 72-44-1 | 3/9 Design control — primary reference Dexter Axle Company Llc |
NSN 2510-01-617-2553 is a Spring Assembly,leaf, manufactured by Holden Industries, Inc. Dba Holden Industries Inc, classified under FSC 2510, Vehicular Cab, Body, and Frame Structural Components. Status: active.
NSN 2510-01-617-2553 has 1 manufacturer part number on file: 72-44-1 (Holden Industries, Inc. Dba Holden Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-645-2159. Verify interchangeability with system specifications before substitution.
Key specifications for 72-44-1: Spring Length Under Load: 762.0 MILLIMETERS NOMINAL MM; Special Features: LOADED TO 6800 LBS NOMINAL LOAD, SPRING RATE: 5000 + OR - 500 LB/IN, COLOR: BLACK ALKYD, STACK HEIGHT: 61.2 MM, LOADED ARC HEIGHT: 68.83 MM, WIDTH: 76.2 MM, BRUSHING DIAMETER: 25.4 MM. LBS; Surface Treatment: PAINT OVERALL; Bushing Type: PLAIN. 4 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.