The Spring,helical,extension, cataloged under National Stock Number 5360-01-158-1974, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5360-01-158-1974 |
| Primary Part Number | 2258-Q-615 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | CANCELLED |
| Spring Free Outside Diameter | 0.750 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/ CONVEX ENDS |
| Spring Free Length | 5.920 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2258-Q-615 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 4RS27 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 5360011581974 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4RS27 | 5/9 Secondary reference Oshkosh Corp |
| 2258 Q 615-S | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 5360-01-158-1974 is a Spring,helical,extension, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: cancelled.
NSN 5360-01-158-1974 has 2 manufacturer part numbers on file: 2258-Q-615 (Meritor Heavy Vehicle Systems, Llc), 4RS27 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-593-7925. Verify interchangeability with system specifications before substitution.
Key specifications for 2258-Q-615: Spring Free Outside Diameter: 0.750 INCHES NOMINAL IN; Style Designator: CYLINDRICAL W/ CONVEX ENDS; Spring Free Length: 5.920 INCHES NOMINAL IN; End Item Identification: 2330-01-303-8832 M1000 CHETTL TRAILER;2330-01-303-5197 PLS TRAILER;2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER). 3 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.
NSN 5360-01-158-1974 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.