The Spring,helical,extension, cataloged under National Stock Number 5360-00-055-1607, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Mohawk Spring Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-055-1607 |
| Primary Part Number | 205-076-229-1-17450 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Mohawk Spring Corporation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.360 INCHES NOMINAL IN |
| Load Rating | 1.690 POUNDS NOMINAL LBS |
| End Style | RECTANGULAR HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.582 INCHES NOMINAL IN |
| Hook Width | 0.360 INCHES NOMINAL BOTH ENDS IN |
| Spring Deflection Rate | 3.200 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.190 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.308 INCHES NOMINAL IN |
| Spring Length Under Load | 1.180 INCHES NOMINAL IN |
| Coil Quantity | 6 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-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 |
|---|---|
| 205-076-229-1-17450 | Mohawk Spring Corporation (USA) |
| Reference | Meaning |
|---|---|
| 205-076-229-001 | 5/2 Secondary reference U.S. Government activity |
| 205-076-229-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-055-1607 is a Spring,helical,extension, manufactured by Mohawk Spring Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-055-1607 has 1 manufacturer part number on file: 205-076-229-1-17450 (Mohawk Spring Corporation).
Key specifications for 205-076-229-1-17450: Spring Free Outside Diameter: 0.360 INCHES NOMINAL IN; Load Rating: 1.690 POUNDS NOMINAL LBS; End Style: RECTANGULAR HOOK BOTH ENDS; Design Type: CLOSED. 16 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.