The Spring,helical,compression, cataloged under National Stock Number 5360-00-126-6599, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-126-6599 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.300 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.166 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A228 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5112 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.875 INCHES NOMINAL IN |
| Spring Deflection Rate | 3.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.256 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.200 INCHES NOMINAL IN |
| Coil Quantity | 6 |
| Surface Treatment | CADMIUM OR CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Bore Diameter | 0.312 INCHES NOMINAL IN |
| Material | STEEL UNS K08500 AND STEEL COMP 1090 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| LC-022D-7 | 5/9 Secondary reference U.S. Government activity |
| S168-48 | 5/9 Secondary reference Bell Industries Inc Precision Components Div |
| S168-48 | C/1 Advisory reference — outside the item-of-supply concept Miltope Corporation |
| LC-022D-07M | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-126-6599 is a Spring,helical,compression, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5360-01-252-4272. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-126-6599: Spring Free Outside Diameter: 0.300 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.166 INCHES NOMINAL IN. 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.