The Spring,helical,extension, cataloged under National Stock Number 5360-00-708-0188, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-708-0188 |
| Primary Part Number | SP7156 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.300 INCHES MAXIMUM IN |
| Load Rating | 1.62 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.039 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Spring Deflection Rate | 29.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.220 INCHES MAXIMUM IN |
| Spring Length Under Load | 1.031 INCHES NOMINAL IN |
| Coil Quantity | 8-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.105 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 |
| Part Number | Manufacturer |
|---|---|
| SP7156 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| SP7156 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 5360-00-708-0188 is a Spring,helical,extension, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-708-0188 has 1 manufacturer part number on file: SP7156 (United Technologies Corp Electro Systems Inc).
Key specifications for SP7156: Spring Free Outside Diameter: 0.300 INCHES MAXIMUM IN; Load Rating: 1.62 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.