The Spring,helical,compression, cataloged under National Stock Number 5360-01-649-9821, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Communication Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-649-9821 |
| Primary Part Number | C501036-1 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Spring Free Outside Diameter | 2.00 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 833.0 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 8.00 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.00 INCHES MINIMUM AND 8.25 INCHES MAXIMUM IN |
| Spring Deflection Rate | 423.0 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 1.25 INCHES NOMINAL IN |
| Stock Diameter | 0.375 INCHES NOMINAL IN |
| Coil Quantity | 21 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 316 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 |
|---|---|
| C501036-1 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| Reference | Meaning |
|---|---|
| C501036 | D/9 Drawing number reference only Lockheed Martin Sippican, Inc. Div Communication Division |
NSN 5360-01-649-9821 is a Spring,helical,compression, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-649-9821 has 1 manufacturer part number on file: C501036-1 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for C501036-1: Spring Free Outside Diameter: 2.00 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 833.0 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED BOTH ENDS. 15 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.