The Spring,helical,compression, cataloged under National Stock Number 5360-01-061-3258, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-061-3258 |
| Primary Part Number | 845-7285243 ITEM 20 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.345 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.688 INCHES NOMINAL IN |
| Inside Diameter | 0.281 INCHES NOMINAL IN |
| Coil Quantity | 6 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | COPPER ALLOY 511 OVERALL |
| 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 |
|---|---|
| 845-7285243 ITEM 20 | Naval Sea Systems Command (USA) |
| 2643-405-01 ITEM 68 | Naval Sea Systems Command (USA) |
| 845-7285244 ITEM 68 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2641-809-41ITEM14 | 3/2 Design control — primary reference U.S. Government activity |
| 2641-405-11ITEM421-4IN | 5/2 Secondary reference U.S. Government activity |
| 2643-785-10 ITEM 20 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-01-061-3258 is a Spring,helical,compression, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-061-3258 has 3 manufacturer part numbers on file: 845-7285243 ITEM 20 (Naval Sea Systems Command), 2643-405-01 ITEM 68 (Naval Sea Systems Command), 845-7285244 ITEM 68 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 5360-01-388-9424, 5360-01-572-2185, 5360-01-641-9422. Verify interchangeability with system specifications before substitution.
Key specifications for 845-7285243 ITEM 20: Spring Free Outside Diameter: 0.345 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 0.688 INCHES NOMINAL IN. 8 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.