The Quadrant,test Cell, cataloged under National Stock Number 4920-01-166-1126, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Transdigm Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-166-1126 |
| Primary Part Number | C81321-1 |
| Item Name | Quadrant,test Cell |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Transdigm Inc |
| Status | ACTIVE |
| FSC Application Data | ENGINE CONTROL,MECHANICAL THROTTLE |
| General Characteristics Item Description | 9.120 IN. RETRACTED,10.620 IN. EXTENDED; INTERFACES W/ENGINE CONTROL P/N C81320-1 AND C81320-2 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 |
|---|---|
| C81321-1 PRIMARY | Transdigm Inc (USA) |
| Reference | Meaning |
|---|---|
| C81321 | D/9 Drawing number reference only Transdigm Inc |
NSN 4920-01-166-1126 is a Quadrant,test Cell, manufactured by Transdigm Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-166-1126 has 1 manufacturer part number on file: C81321-1 (Transdigm Inc).
Key specifications for C81321-1: FSC Application Data: ENGINE CONTROL,MECHANICAL THROTTLE; General Characteristics Item Description: 9.120 IN. RETRACTED,10.620 IN. EXTENDED; INTERFACES W/ENGINE CONTROL P/N C81320-1 AND C81320-2 IN; End Item Identification: F100PW100/200 ENGINE AGE.. 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 4920-01-166-1126 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.