The Spring,helical,extension, cataloged under National Stock Number 5360-00-102-3092, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-102-3092 |
| Primary Part Number | 12631-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Load Rating | 2.41 POUNDS MINIMUM AND 2.95 POUNDS MAXIMUM LBS |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC ALL MATERIAL RESPONSES OR AMS 5688 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Spring Free Length | 1.302 INCHES NOMINAL IN |
| Spring Deflection Rate | 1.930 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Spring Length Under Load | 2.640 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OR STEEL COMP 304 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 |
|---|---|
| 12631-1 PRIMARY | Breeze-Eastern Llc (USA) |
| E0240-026-1250S PRIMARY | Barnes Group Inc (USA) |
| LE-026C-3SS PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| LE-026C-3SS | 5/9 Secondary reference U.S. Government activity |
| SP-1718-1 | 5/9 Secondary reference Breeze-Eastern Llc |
| 419351-82 | 7/2 Vendor item drawing reference U.S. Government activity |
| E0240-026-1250S | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-102-3092 is a Spring,helical,extension, manufactured by Breeze-Eastern Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-102-3092 has 3 manufacturer part numbers on file: 12631-1 (Breeze-Eastern Llc), E0240-026-1250S (Barnes Group Inc), LE-026C-3SS (Lee Spring Company Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5360-00-946-4222, 6680-01-328-2019, 4720-01-537-8937. Verify interchangeability with system specifications before substitution.
Key specifications for 12631-1: Spring Free Outside Diameter: 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Load Rating: 2.41 POUNDS MINIMUM AND 2.95 POUNDS MAXIMUM LBS; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED. 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.