The Spring,helical,compression, cataloged under National Stock Number 5360-01-266-4776, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Barnes Group 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-266-4776 |
| Primary Part Number | C0240-042-0810M |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Barnes Group Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.240 INCHES NOMINAL IN |
| Load Rating | 14.390 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.525 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTMA228 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5112 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.810 INCHES NOMINAL IN |
| Spring Deflection Rate | 60.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| Stock Diameter | 0.042 INCHES NOMINAL IN |
| Spring Length Under Load | 0.569 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OR 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 |
| Part Number | Manufacturer |
|---|---|
| 318335 | Siemens Energy, Inc. (USA) |
| C0240-042-0810M PRIMARY | Barnes Group Inc (USA) |
| Reference | Meaning |
|---|---|
| C-240-042-0810 | C/1 Advisory reference — outside the item-of-supply concept Barnes Group Inc |
NSN 5360-01-266-4776 is a Spring,helical,compression, manufactured by Barnes Group Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-266-4776 has 2 manufacturer part numbers on file: 318335 (Siemens Energy, Inc.), C0240-042-0810M (Barnes Group Inc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-273-6106. Verify interchangeability with system specifications before substitution.
Key specifications for C0240-042-0810M: Spring Free Outside Diameter: 0.240 INCHES NOMINAL IN; Load Rating: 14.390 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.525 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.