The Spring,helical,extension, cataloged under National Stock Number 5360-01-123-2479, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 14 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-123-2479 |
| Primary Part Number | 61837 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.625 INCHES NOMINAL IN |
| Load Rating | 72.125 POUNDS MINIMUM AND 86.500 POUNDS MAXIMUM LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-N-287,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 76.046 INCHES NOMINAL IN |
| Spring Deflection Rate | 10.400 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.329 INCHES NOMINAL IN |
| Spring Length Under Load | 77.750 INCHES NOMINAL IN |
| Coil Quantity | 503 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | NICKEL ALLOY K-500 OVERALL |
| Hook Radius | 0.164 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 |
|---|---|
| 61837 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
NSN 5360-01-123-2479 is a Spring,helical,extension, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-123-2479 has 1 manufacturer part number on file: 61837 (Eaton Corporation Dba Eaton Inoac Div Eaton).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-470-6044. Verify interchangeability with system specifications before substitution.
Key specifications for 61837: Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN; Load Rating: 72.125 POUNDS MINIMUM AND 86.500 POUNDS MAXIMUM LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 14 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.