The Spring,helical,compression, cataloged under National Stock Number 5360-01-021-0375, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Aimtron Systems, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-021-0375 |
| Primary Part Number | 503772 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.240 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.367 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 9.413 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.182 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 302 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 |
|---|---|
| 503772 | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| LC029C10SS | 5/9 Secondary reference U.S. Government activity |
| 503772 | 3/9 Design control — primary reference Cardion Inc |
NSN 5360-01-021-0375 is a Spring,helical,compression, manufactured by Aimtron Systems, Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-021-0375 has 1 manufacturer part number on file: 503772 (Aimtron Systems, Llc).
Key specifications for 503772: Spring Free Outside Diameter: 0.240 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.367 INCHES NOMINAL IN; 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.