The Spring,helical,extension, cataloged under National Stock Number 5360-00-385-8006, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 15 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 | 5360-00-385-8006 |
| Primary Part Number | 8404310 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.671 INCHES NOMINAL IN |
| Load Rating | 26.00 POUNDS MINIMUM AND 31.00 POUNDS MAXIMUM LBS |
| End Style | EXTENDED LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 6.216 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 1.750 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Spring Length Under Load | 8.625 INCHES NOMINAL IN |
| Coil Quantity | 30 |
| Surface Treatment | PHOSPHATE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Hook Radius | 0.250 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 |
|---|---|
| 8404310 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5360-00-385-8006 is a Spring,helical,extension, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-385-8006 has 1 manufacturer part number on file: 8404310 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8404310: Spring Free Outside Diameter: 0.671 INCHES NOMINAL IN; Load Rating: 26.00 POUNDS MINIMUM AND 31.00 POUNDS MAXIMUM LBS; End Style: EXTENDED LOOP BOTH ENDS; Design Type: CLOSED. 15 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.