The Spring,helical,compression, cataloged under National Stock Number 5360-00-985-2910, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Tactair Fluid Controls Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-985-2910 |
| Primary Part Number | 591-1-15 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.593 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 0.300 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.160 INCHES NOMINAL IN |
| Spring Deflection Rate | 10.600 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.499 INCHES NOMINAL IN |
| Coil Quantity | 5-1/2 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| 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 |
|---|---|
| 591-1-15 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 591-1-15 | 5/9 Secondary reference Tactair Fluid Controls Inc Phoenix Controls Div |
NSN 5360-00-985-2910 is a Spring,helical,compression, manufactured by Tactair Fluid Controls Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-985-2910 has 1 manufacturer part number on file: 591-1-15 (Tactair Fluid Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-184-2293. Verify interchangeability with system specifications before substitution.
Key specifications for 591-1-15: Spring Free Outside Diameter: 0.593 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Spring Solid Length: 0.300 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.