The Core,flexible Shaft Assembly, cataloged under National Stock Number 1680-00-535-3400, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-535-3400 |
| Primary Part Number | 8519186 |
| Item Name | Core,flexible Shaft Assembly |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | TEST SET,GUIDED MISSILE |
| Cross Section Size and Location | 0.500 INCHES NOMINAL DIAMETER IN |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Core Diameter | 0.188 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| End Overall Length | 1.125 INCHES NOMINAL IN |
| Thread Class | 2B |
| Material | STEEL |
| Machined Feature Size | 0.250 IN. DIA BORE IN |
| End Type | ROUND FEMALE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8519186 PRIMARY | Us Army Aviation and Missile Command (USA) |
| G243703-1 | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| G243703-1 | 5/9 Secondary reference At and T Corp |
| G243703-1 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| G243703-1 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 1680-00-535-3400 is a Core,flexible Shaft Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-535-3400 has 2 manufacturer part numbers on file: 8519186 (Us Army Aviation and Missile Command), G243703-1 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 8519186: FSC Application Data: TEST SET,GUIDED MISSILE; Cross Section Size and Location: 0.500 INCHES NOMINAL DIAMETER IN; Thread Length: 0.188 INCHES NOMINAL IN; Overall Length: 12.250 INCHES NOMINAL IN. 10 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.
NSN 1680-00-535-3400 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.