The Spring,helical,compression, cataloged under National Stock Number 5360-00-397-4473, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Coffin Turbo Pump Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 | 5360-00-397-4473 |
| Primary Part Number | A7146 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Coffin Turbo Pump Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.710 INCHES NOMINAL IN |
| Load Rating | 165.000 POUNDS MINIMUM AND 185.000 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 1.625 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 0.406 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A229 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 0.414 INCHES NOMINAL IN |
| Spring Length Under Load | 1.969 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.710 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 1065 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 |
|---|---|
| A7146 PRIMARY | Coffin Turbo Pump Inc (USA) |
| E8256ITEM670 | Coffin Turbo Pump Inc (USA) |
NSN 5360-00-397-4473 is a Spring,helical,compression, manufactured by Coffin Turbo Pump Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-397-4473 has 2 manufacturer part numbers on file: A7146 (Coffin Turbo Pump Inc), E8256ITEM670 (Coffin Turbo Pump Inc).
1 possible match (shared part number, not a government interchangeability claim): 5355-00-758-1186. Verify interchangeability with system specifications before substitution.
Key specifications for A7146: Spring Free Outside Diameter: 0.710 INCHES NOMINAL IN; Load Rating: 165.000 POUNDS MINIMUM AND 185.000 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 1.625 INCHES NOMINAL IN. 13 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.