The Spring,helical,extension, cataloged under National Stock Number 5360-00-515-0640, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-515-0640 |
| Primary Part Number | G235 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.422 INCHES NOMINAL IN |
| Load Rating | 10.00 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.625 INCHES NOMINAL IN |
| Spring Deflection Rate | 7.400 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.328 INCHES NOMINAL IN |
| Spring Length Under Load | 2.625 INCHES NOMINAL IN |
| Coil Quantity | 19-1/4 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.156 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-515-0640 is a Spring,helical,extension, manufactured by Siemens Energy, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-515-0640 has 4 manufacturer part numbers on file: B31350 (Siemens Energy, Inc.), G10252PC4 (Siemens Energy, Inc.), G9560PC4 (Siemens Energy, Inc.), G235 (Siemens Energy, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-026-2411, 5998-01-053-8824, 5365-01-164-1878. Verify interchangeability with system specifications before substitution.
Key specifications for G235: Spring Free Outside Diameter: 0.422 INCHES NOMINAL IN; Load Rating: 10.00 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 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.