The Spring,helical,extension, cataloged under National Stock Number 5360-00-338-9820, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-338-9820 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES MAXIMUM IN |
| Load Rating | 12.60 POUNDS MINIMUM AND 15.40 POUNDS MAXIMUM LBS |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.026 INCHES NOMINAL IN |
| Spring Deflection Rate | 7.700 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.220 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.174 INCHES MAXIMUM IN |
| Spring Length Under Load | 3.250 INCHES NOMINAL IN |
| Coil Quantity | 39-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.100 INCHES MINIMUM AND 0.110 INCHES MINIMUM 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 |
| Reference | Meaning |
|---|---|
| 240-3117905 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
| 240-3117905 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| 240-3117905 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
| 240-3117905 | 3/9 Design control — primary reference Bae Systems Technology Solutions & Services Inc. |
NSN 5360-00-338-9820 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-338-9820: Spring Free Outside Diameter: 0.250 INCHES MAXIMUM IN; Load Rating: 12.60 POUNDS MINIMUM AND 15.40 POUNDS MAXIMUM LBS; End Style: FULL LOOP 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.