The Spring,helical,extension, cataloged under National Stock Number 5360-00-982-6046, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-982-6046 |
| Primary Part Number | 512939 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.145 INCHES NOMINAL IN |
| Load Rating | 2.000 POUNDS NOMINAL LBS |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.750 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN |
| Spring Deflection Rate | 12.900 POUNDS PER INCH NOMINAL LBS |
| Spring Length Under Load | 0.880 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN |
| Coil Quantity | 12-3/4 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Hook Radius | 0.060 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 |
|---|---|
| 512939 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 512939 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 512939 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 5360-00-982-6046 is a Spring,helical,extension, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-982-6046 has 1 manufacturer part number on file: 512939 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-157-9914. Verify interchangeability with system specifications before substitution.
Key specifications for 512939: Spring Free Outside Diameter: 0.145 INCHES NOMINAL IN; Load Rating: 2.000 POUNDS NOMINAL LBS; End Style: RAISED 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.