The Drive Key,main Wheel, cataloged under National Stock Number 1630-01-208-9978, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-208-9978 |
| Item Name | Drive Key,main Wheel |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT WHEEL ASSEMBLY |
| General Characteristics Item Description | MATERIAL IS STEEL BAR,4140 OR 4340,PER QQ-S-624,COND ACF;HEAT TREATED PER MIL-H-6875,180,000 TO 200,000 PSI;CHROME PLATED 0.0002 THK PER QQ-C-320,CLASS 2D TYPE 2,ALTERNATE PLATING-ELECTROLESS NICKEL PER MIL-C-26074 CLASS 2,GRADE B;LENGTH IS 3.470 IN.;WIDTH IS 0.713 IN. MIN AND 0.723 IN. MAX;HEIGHT IS 0.315 IN. MIN AND 0.325 IN. MAX IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7027116-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-208-9978 is a Drive Key,main Wheel, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-01-208-9978: FSC Application Data: AIRCRAFT WHEEL ASSEMBLY; General Characteristics Item Description: MATERIAL IS STEEL BAR,4140 OR 4340,PER QQ-S-624,COND ACF;HEAT TREATED PER MIL-H-6875,180,000 TO 200,000 PSI;CHROME PLATED 0.0002 THK PER QQ-C-320,CLASS 2D TYPE 2,ALTERNATE PLATING-ELECTROLESS NICKEL PER MIL-C-26074 CLASS 2,GRADE B;LENGTH IS 3.470 IN.;WIDTH IS 0.713 IN. MIN AND 0.723 IN. MAX;HEIGHT IS 0.315 IN. MIN AND 0.325 IN. MAX IN; End Item Identification: T-33 AIRCRAFT. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-01-208-9978 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.