The Spring,helical,extension, cataloged under National Stock Number 5360-01-306-4964, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-306-4964 |
| Primary Part Number | 9654K338 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.062 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 8.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 14.800 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.792 INCHES NOMINAL IN |
| Stock Diameter | 0.135 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9654K338 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 9631K3 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 6SE00708-5 | 5/9 Secondary reference Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1 |
| 9631K23 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 5360-01-306-4964 is a Spring,helical,extension, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-306-4964 has 1 manufacturer part number on file: 9654K338 (Mcmaster-Carr Supply Co).
Key specifications for 9654K338: Spring Free Outside Diameter: 1.062 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Spring Free Length: 8.000 INCHES NOMINAL IN; Spring Deflection Rate: 14.800 POUNDS PER INCH NOMINAL LBS. 8 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.