The Spring,helical,compression, cataloged under National Stock Number 5360-01-251-5984, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Atlantic Inertial Systems Limited. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-251-5984 |
| Primary Part Number | 283550-2131 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Atlantic Inertial Systems Limited |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.647 INCHES MINIMUM AND 1.727 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 2.356 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A313-67 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 49.813 POUNDS PER INCH NOMINAL LBS |
| Specification/standard Data | 81349-MIL-S-6715 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE AND D CLASS |
| Inside Diameter | 1.263 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN |
| Coil Helix Direction | RIGHT-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 |
|---|---|
| 283550-2131 | Atlantic Inertial Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| C1687-192-5000S | 3/2 Design control — primary reference U.S. Government activity |
| MIL-S-6715 | 4/1 Identification reference U.S. Government activity |
NSN 5360-01-251-5984 is a Spring,helical,compression, manufactured by Atlantic Inertial Systems Limited, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-251-5984 has 1 manufacturer part number on file: 283550-2131 (Atlantic Inertial Systems Limited).
Key specifications for 283550-2131: Spring Free Outside Diameter: 1.647 INCHES MINIMUM AND 1.727 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 2.356 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 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.