The Spring,helical,torsion, cataloged under National Stock Number 5360-01-108-4803, 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 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-108-4803 |
| Primary Part Number | 74A450938-2001 |
| 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 | 2.580 INCHES NOMINAL IN |
| End Style | STRAIGHT OFFSET OVERALL |
| End Length | 0.560 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 1.200 INCHES NOMINAL IN |
| Inside Diameter | 2.180 INCHES NOMINAL IN |
| Coil Quantity | 4 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| 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 |
|---|---|
| 74A450938-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450938-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450938-2001 | Heroux-Devtek Inc (CAN) |
| Reference | Meaning |
|---|---|
| 74A450938-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450938-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450973-2001 | 5/9 Secondary reference The Boeing Company Div Defense |
| 74A450938-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450938-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
NSN 5360-01-108-4803 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 5360-01-108-4803 has 3 manufacturer part numbers on file: 74A450938-2001 (Safran Landing Systems Canada Inc.), 74A450938-2001 (The Boeing Company Div Defense), 74A450938-2001 (Heroux-Devtek Inc).
Key specifications for 74A450938-2001: Spring Free Outside Diameter: 2.580 INCHES NOMINAL IN; End Style: STRAIGHT OFFSET OVERALL; End Length: 0.560 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 10 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.