The Spring,helical,compression, cataloged under National Stock Number 5360-00-876-9853, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 16 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 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 | 5360-00-876-9853 |
| Primary Part Number | 59-535 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.444 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 0.378 POUNDS MINIMUM AND 0.382 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.230 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.020 INCHES NOMINAL IN |
| Spring Deflection Rate | 0.750 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Spring Length Under Load | 0.510 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.474 INCHES NOMINAL IN |
| Coil Quantity | 8 4/5 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 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 |
|---|---|
| 59-535 PRIMARY | Triumph Thermal Systems - Maryland, Inc. (USA) |
NSN 5360-00-876-9853 is a Spring,helical,compression, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-876-9853 has 1 manufacturer part number on file: 59-535 (Triumph Thermal Systems - Maryland, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-150-8786. Verify interchangeability with system specifications before substitution.
Key specifications for 59-535: Spring Free Outside Diameter: 0.444 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 0.378 POUNDS MINIMUM AND 0.382 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 16 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.