The Spring,helical,extension, cataloged under National Stock Number 5360-00-260-3442, 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 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-260-3442 |
| Primary Part Number | ESX658950-70 |
| 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 | 0.313 INCHES NOMINAL IN |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.094 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 0.547 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Inside Diameter | 0.422 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Coil Quantity | 31 |
| Coil Helix Direction | RIGHT-HAND |
| 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 |
|---|---|
| ESX658950-70 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| PT70A | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| ESX658950ISSUE12PT70A | 5/9 Secondary reference American Telephone and Telegraph Co |
| PT70A | 5/9 Secondary reference American Telephone and Telegraph Co |
| ESX658950-70 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| PT70A | 5/9 Secondary reference At and T Corp |
NSN 5360-00-260-3442 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 5360-00-260-3442 has 2 manufacturer part numbers on file: ESX658950-70 (Lucent Technologies Inc Corporate Headquarters), PT70A (Lucent Technologies Inc Corporate Headquarters).
Key specifications for ESX658950-70: Spring Free Outside Diameter: 0.313 INCHES NOMINAL IN; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED; 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.