The Spring,helical,extension, cataloged under National Stock Number 5360-00-225-5841, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Avionics Specialties, Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-225-5841 |
| Primary Part Number | 127-581-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Avionics Specialties, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.120 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.535 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.080 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.100 INCHES NOMINAL IN |
| Coil Quantity | 35 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | COPPER ALLOY OVERALL |
| Hook Radius | 0.040 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 127-581-1 PRIMARY | Avionics Specialties, Inc. (USA) |
NSN 5360-00-225-5841 is a Spring,helical,extension, manufactured by Avionics Specialties, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-225-5841 has 1 manufacturer part number on file: 127-581-1 (Avionics Specialties, Inc.).
Key specifications for 127-581-1: Spring Free Outside Diameter: 0.120 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED; 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.