The Spring,helical,extension, cataloged under National Stock Number 5360-00-784-6498, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 11 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-784-6498 |
| Primary Part Number | 13857-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.562 INCHES NOMINAL IN |
| End Style | REDUCED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Coil to Hook Inside Length | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.446 INCHES NOMINAL IN |
| Coil Quantity | 14 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.125 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 |
|---|---|
| 13857-1 PRIMARY | Te Connectivity Corporation (USA) |
NSN 5360-00-784-6498 is a Spring,helical,extension, manufactured by Te Connectivity Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-784-6498 has 1 manufacturer part number on file: 13857-1 (Te Connectivity Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5998-00-985-0909, 5935-01-615-6730. Verify interchangeability with system specifications before substitution.
Key specifications for 13857-1: Spring Free Outside Diameter: 0.562 INCHES NOMINAL IN; End Style: REDUCED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 11 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.