The Spring,helical,extension, cataloged under National Stock Number 5360-00-052-5728, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-052-5728 |
| Primary Part Number | 180718 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.156 INCHES NOMINAL IN |
| End Style | FULL HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.062 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 0.640 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.115 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.106 INCHES NOMINAL IN |
| Coil Quantity | 17-3/4 |
| Surface Treatment | OXIDE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.053 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 |
|---|---|
| 180718 PRIMARY | Telemechanics Inc (USA) |
| 180718 | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 180718 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 180718 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 180718 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-052-5728 is a Spring,helical,extension, manufactured by Telemechanics Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-052-5728 has 2 manufacturer part numbers on file: 180718 (Telemechanics Inc), 180718 (Lucent Technologies Inc Corporate Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-176-0819. Verify interchangeability with system specifications before substitution.
Key specifications for 180718: Spring Free Outside Diameter: 0.156 INCHES NOMINAL IN; End Style: FULL HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.