The Spring,helical,extension, cataloged under National Stock Number 5360-00-113-8277, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Deval Life Cycle Support Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-113-8277 |
| Primary Part Number | 64A98B321-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Deval Life Cycle Support Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.484 INCHES NOMINAL IN |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.121 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.984 INCHES NOMINAL IN |
| Spring Deflection Rate | 56.250 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Coil Quantity | 8 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 1095 OVERALL |
| Hook Radius | 0.179 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 |
|---|---|
| 64A98B321-1 PRIMARY | Deval Life Cycle Support Llc (USA) |
| Reference | Meaning |
|---|---|
| 64A98B321-1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 64A98B321-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5360-00-113-8277 is a Spring,helical,extension, manufactured by Deval Life Cycle Support Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-113-8277 has 1 manufacturer part number on file: 64A98B321-1 (Deval Life Cycle Support Llc).
Key specifications for 64A98B321-1: Spring Free Outside Diameter: 0.484 INCHES NOMINAL IN; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.