The Spring,helical,compression, cataloged under National Stock Number 5360-01-415-1983, 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 Corporation Div Rms. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-415-1983 |
| Primary Part Number | 1220B1286 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.500 INCHES NOMINAL IN |
| Spring Deflection Rate | 36.600 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 1.750 INCHES NOMINAL IN |
| Stock Diameter | 0.250 INCHES NOMINAL IN |
| Coil Quantity | 14 |
| Material | COPPER ALLOY 172 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 |
|---|---|
| 1220B1286 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1220B1286 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5360-01-415-1983 is a Spring,helical,compression, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-415-1983 has 1 manufacturer part number on file: 1220B1286 (Lockheed Martin Corporation Div Rms).
Key specifications for 1220B1286: Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Spring Free Length: 8.500 INCHES NOMINAL IN; Spring Deflection Rate: 36.600 POUNDS PER INCH NOMINAL LBS; Inside Diameter: 1.750 INCHES NOMINAL IN. 7 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.