The Spring,helical,extension, cataloged under National Stock Number 5360-00-052-5701, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-052-5701 |
| Primary Part Number | 180555 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.125 INCHES NOMINAL IN |
| Load Rating | 0.171 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | MACHINE LOOP SECOND END |
| Design Type | OPEN |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.051 INCHES NOMINAL SECOND END IN |
| Spring Free Length | 0.719 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.103 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.207 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.103 INCHES NOMINAL IN |
| Spring Length Under Load | 1.061 INCHES NOMINAL IN |
| Coil Quantity | 30 |
| Surface Treatment | PHOSPHATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.052 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.052 INCHES NOMINAL SECOND END 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 |
|---|---|
| 180555 | Telemechanics Inc (USA) |
| 180555 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 180555 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 180555 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5360-00-052-5701 is a Spring,helical,extension, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-052-5701 has 2 manufacturer part numbers on file: 180555 (Telemechanics Inc), 180555 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 180555: Spring Free Outside Diameter: 0.125 INCHES NOMINAL IN; Load Rating: 0.171 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK FIRST END; End Style: MACHINE LOOP SECOND END. 18 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.