The Spring,helical,extension, cataloged under National Stock Number 5360-00-875-9744, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-875-9744 |
| Primary Part Number | 67A79B44 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.348 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Load Rating | 3.00 POUNDS NOMINAL LBS |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.242 INCHES NOMINAL IN |
| Inside Diameter | 0.266 INCHES NOMINAL IN |
| Spring Length Under Load | 3.000 INCHES NOMINAL IN |
| Coil Quantity | 40 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.130 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 |
|---|---|
| 55A44B44-3 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 67A79B44 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 55A44B44-3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 55A44B44-3 | 5/9 Secondary reference U.S. Government activity |
| 55A44B44-3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5360-00-875-9744 is a Spring,helical,extension, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-875-9744 has 3 manufacturer part numbers on file: 55A44B44-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 67A79B44 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 55A44B44-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 67A79B44: Spring Free Outside Diameter: 0.348 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC ALL TREATMENT RESPONSES OVERALL; Load Rating: 3.00 POUNDS NOMINAL LBS; End Style: FULL LOOP BOTH ENDS. 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.