The Spring,helical,compression, cataloged under National Stock Number 5360-00-345-0803, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Surface Combustion Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-345-0803 |
| Primary Part Number | 03C64 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Surface Combustion Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.406 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 0.531 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 0.312 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.406 INCHES NOMINAL IN |
| Coil Quantity | 12 |
| Coil Helix Direction | 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 |
NSN 5360-00-345-0803 is a Spring,helical,compression, manufactured by Surface Combustion Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-345-0803 has 2 manufacturer part numbers on file: 03C64 (Grimes Aerospace Company), 03C64 (Surface Combustion Inc).
Key specifications for 03C64: Spring Free Outside Diameter: 0.406 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Spring Solid Length: 0.531 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 10 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.