The Spring,helical,extension, cataloged under National Stock Number 5360-00-663-3216, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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 | 5360-00-663-3216 |
| Primary Part Number | 7666262 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.3281 INCHES NOMINAL IN |
| Load Rating | 4.20 POUNDS MINIMUM AND 4.80 POUNDS MAXIMUM LBS |
| End Style | DOUBLE TWIST LOOP FIRST END |
| End Style | REDUCED CENTER LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 3.410 INCHES NOMINAL IN |
| Spring Deflection Rate | 1.040 POUNDS PER INCH MINIMUM AND 1.280 POUNDS PER INCH MAXIMUM LBS |
| Coil to Hook Inside Length | 0.625 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.4375 INCHES NOMINAL SECOND END IN |
| Spring Length Under Load | 6.250 INCHES NOMINAL IN |
| Coil Quantity | 26 |
| Surface Treatment | ENAMEL OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL 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 |
|---|---|
| 7666262 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5360-00-663-3216 is a Spring,helical,extension, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-663-3216 has 1 manufacturer part number on file: 7666262 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7666262: Spring Free Outside Diameter: 1.3281 INCHES NOMINAL IN; Load Rating: 4.20 POUNDS MINIMUM AND 4.80 POUNDS MAXIMUM LBS; End Style: DOUBLE TWIST LOOP FIRST END; End Style: REDUCED CENTER LOOP SECOND END. 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.