The Bracket,eye,rotating Shaft, cataloged under National Stock Number 1680-00-332-3423, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-332-3423 |
| Primary Part Number | 4011972 |
| Item Name | Bracket,eye,rotating Shaft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Width | 1.000 INCHES NOMINAL IN |
| Bore Inside Diameter | 1.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4011972 PRIMARY | Textron Aviation Inc (USA) |
| 4011972 | Alamo Aircraft, Ltd. (USA) |
| 4011972 | Booz Allen Hamilton Engineering Services, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4011972 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 1680-00-332-3423 is a Bracket,eye,rotating Shaft, manufactured by Textron Aviation Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-332-3423 has 3 manufacturer part numbers on file: 4011972 (Textron Aviation Inc), 4011972 (Alamo Aircraft, Ltd.), 4011972 (Booz Allen Hamilton Engineering Services, Llc).
Key specifications for 4011972: Overall Height: 2.140 INCHES NOMINAL IN; Overall Length: 5.170 INCHES NOMINAL IN; Special Features: BOLT HOLE:QTY-2,SHAPE-ROUND,SIZE-0.192/0.198 IN. DIA;DISTANCE FROM BORE CTRLINE TO BASE BOTTOM,0.668 IN.;C TO C DISTANCE BETWEEN BOLT HOLES,4.230 IN.;MATL-MAGNESIUM ALLOY IN; Width: 1.000 INCHES NOMINAL IN. 2 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 1680-00-332-3423 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.