The Spring,helical,torsion, cataloged under National Stock Number 5360-01-072-1353, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-072-1353 |
| Primary Part Number | 42277-288 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.454 INCHES MINIMUM IN |
| End Style | ONE HOOK END OVERALL |
| End Length | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.251 INCHES NOMINAL IN |
| Inside Diameter | 0.260 INCHES MINIMUM IN |
| Coil Quantity | 5 11/32 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| 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 |
|---|---|
| 42277-288 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42277288 | 5/9 Secondary reference U.S. Government activity |
| 42277D288 | 5/9 Secondary reference U.S. Government activity |
| 42277-288 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 5360-01-072-1353 is a Spring,helical,torsion, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-072-1353 has 1 manufacturer part number on file: 42277-288 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42277-288: Spring Free Outside Diameter: 0.454 INCHES MINIMUM IN; End Style: ONE HOOK END OVERALL; End Length: 0.750 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 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.