The Spring,helical,extension, cataloged under National Stock Number 5360-01-421-3902, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-421-3902 |
| Primary Part Number | 100942L0023-17 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.290 INCHES NOMINAL IN |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.719 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Coil Quantity | 17 |
| Coil Helix Direction | LEFT-HAND OR RIGHT-HAND |
| Material | STEEL UNS K08500 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 |
|---|---|
| 100942L0023-17 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 100942L0023-17 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 5360-01-421-3902 is a Spring,helical,extension, manufactured by Textron Aviation Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-421-3902 has 1 manufacturer part number on file: 100942L0023-17 (Textron Aviation Inc).
Key specifications for 100942L0023-17: Spring Free Outside Diameter: 0.290 INCHES NOMINAL IN; Design Type: CLOSED; Style Designator: CYLINDRICAL; Spring Free Length: 0.719 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.