The Spring,helical,extension, cataloged under National Stock Number 5360-01-479-7753, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-01-479-7753 |
| Primary Part Number | 9654K245 |
| 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 | 0.688 INCHES NOMINAL IN |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | MAINSPRING |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTMA227 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 0.310 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.545 INCHES NOMINAL IN |
| Stock Diameter | 0.072 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K06501 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 |
|---|---|
| 9654K245 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 3468AS400 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 3468AS400 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 3468AS400-24 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5360-01-479-7753 is a Spring,helical,extension, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-479-7753 has 1 manufacturer part number on file: 9654K245 (Mcmaster-Carr Supply Co).
Key specifications for 9654K245: Spring Free Outside Diameter: 0.688 INCHES NOMINAL IN; End Style: MACHINE LOOP BOTH ENDS; Design Type: MAINSPRING; Style Designator: CYLINDRICAL. 12 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.