The Spring,helical,extension, cataloged under National Stock Number 5360-01-494-2907, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Associated Spring Corp Div of the Barnes Group Inc Dallas Div. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-494-2907 |
| Primary Part Number | E1250-115-7500 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Associated Spring Corp Div of the Barnes Group Inc Dallas Div |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.250 INCHES NOMINAL IN |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | MAINSPRING |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM-A228 ASSN STD 1ST MATERIAL RESPONSE OR AMS-5122 ASSN STD 2ND MATERIAL RESPONSE AND ASTM-A313 ASSN STD 3RD MATERIAL RESPONSE OR AMS-5688 ASSN STD 4TH MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.920 INCHES NOMINAL IN |
| Spring Deflection Rate | 195.8600 POUNDS PER INCH NOMINAL LBS |
| Coil Helix Direction | LEFT-HAND OR RIGHT-HAND |
| Material | STEEL CORROSION RESISTING AND STEEL UNS K08500 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 |
|---|---|
| E1250-115-7500 PRIMARY | Associated Spring Corp Div of the Barnes Group Inc Dallas Div (USA) |
NSN 5360-01-494-2907 is a Spring,helical,extension, manufactured by Associated Spring Corp Div of the Barnes Group Inc Dallas Div, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-494-2907 has 1 manufacturer part number on file: E1250-115-7500 (Associated Spring Corp Div of the Barnes Group Inc Dallas Div).
Key specifications for E1250-115-7500: Spring Free Outside Diameter: 1.250 INCHES NOMINAL IN; End Style: FULL LOOP BOTH ENDS; Design Type: MAINSPRING; Style Designator: CYLINDRICAL. 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.