The Spring,helical,extension, cataloged under National Stock Number 5360-01-170-9472, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Defense & Development Enterprises Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-170-9472 |
| Primary Part Number | 25955 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Defense & Development Enterprises Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.460 INCHES NOMINAL IN |
| Load Rating | 19.00 POUNDS MINIMUM AND 21.00 POUNDS MAXIMUM LBS |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Supplementary Features | 7 1/2 ACTIVE COILS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.065 INCHES NOMINAL IN |
| Spring Deflection Rate | 67.300 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.310 INCHES NOMINAL IN |
| Spring Length Under Load | 1.187 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 25955 PRIMARY | Defense & Development Enterprises Llc (USA) |
| Reference | Meaning |
|---|---|
| 25955 | 3/9 Design control — primary reference Triumph Thermal Systems - Maryland, Inc. |
NSN 5360-01-170-9472 is a Spring,helical,extension, manufactured by Defense & Development Enterprises Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-170-9472 has 1 manufacturer part number on file: 25955 (Defense & Development Enterprises Llc).
2 possible matches (shared part number, not a government interchangeability claim): 1560-01-714-7673, 1560-01-715-8800. Verify interchangeability with system specifications before substitution.
Key specifications for 25955: Spring Free Outside Diameter: 0.460 INCHES NOMINAL IN; Load Rating: 19.00 POUNDS MINIMUM AND 21.00 POUNDS MAXIMUM LBS; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED. 11 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.