The Spring,helical,torsion, cataloged under National Stock Number 5360-01-121-8761, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-121-8761 |
| Primary Part Number | 74A410519-2001 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.085 INCHES NOMINAL IN |
| End Style | HALF HOOK SECOND END |
| End Style | ONE HOOK END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.940 INCHES NOMINAL IN |
| Inside Diameter | 0.875 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.770 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 8 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.310 INCHES NOMINAL OVERALL IN |
| 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 |
|---|---|
| 74A410519-2003 | The Boeing Company Div Defense (USA) |
| 74A410519-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410519-2003 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10118075 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410519-2003 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5360-01-121-8761 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-121-8761 has 3 manufacturer part numbers on file: 74A410519-2003 (The Boeing Company Div Defense), 74A410519-2001 (The Boeing Company Div Defense), 74A410519-2003 (Goodrich Corporation).
Key specifications for 74A410519-2001: Spring Free Outside Diameter: 1.085 INCHES NOMINAL IN; End Style: HALF HOOK SECOND END; End Style: ONE HOOK END FIRST END; 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.