The Spring,helical,torsion, cataloged under National Stock Number 5360-00-140-7945, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-140-7945 |
| Primary Part Number | HP1018111-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 5.238 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 5.488 INCHES NOMINAL IN |
| Inside Diameter | 4.552 INCHES NOMINAL IN |
| Coil Quantity | 15 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| 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 |
|---|---|
| HP1018111-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 1018111-1 | 5/9 Secondary reference Tactair Fluid Controls Inc |
| 1018111-1 | 5/9 Secondary reference U.S. Government activity |
| HP1018111-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-140-7945 is a Spring,helical,torsion, manufactured by Tactair Fluid Controls Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-140-7945 has 1 manufacturer part number on file: HP1018111-1 (Tactair Fluid Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-707-6021. Verify interchangeability with system specifications before substitution.
Key specifications for HP1018111-1: Spring Free Outside Diameter: 5.238 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Length: 5.488 INCHES NOMINAL IN. 9 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.