The Adapter,spline, cataloged under National Stock Number 4920-01-194-8019, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-194-8019 |
| Primary Part Number | 24B59000-003 |
| Item Name | Adapter,spline |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| General Characteristics Item Description | USED TO SUPPORT AND PREVENT ROTATATION OF THE OUTPUT GEARSHAFT ASSEMBLY WHILE TORQUING OR REMOVING THE BEARING RETAINER NUT; C/O SHAFT WITH EXTERNAL SPLINES ON 1 END WHICH MATE WITH SPLINES IN GEARSHAFT; OPPOSITE END IS SQUARE FOR CLAMPING IN VISE; 5.000 IN. H; 1.750 IN. W; 1.750 IN. DEEP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 24B59000-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-2159 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
| 291320-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-01-194-8019 is a Adapter,spline, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-194-8019 has 1 manufacturer part number on file: 24B59000-003 (The Boeing Company Div Legacy Am&m).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-580-5941. Verify interchangeability with system specifications before substitution.
Key specifications for 24B59000-003: General Characteristics Item Description: USED TO SUPPORT AND PREVENT ROTATATION OF THE OUTPUT GEARSHAFT ASSEMBLY WHILE TORQUING OR REMOVING THE BEARING RETAINER NUT; C/O SHAFT WITH EXTERNAL SPLINES ON 1 END WHICH MATE WITH SPLINES IN GEARSHAFT; OPPOSITE END IS SQUARE FOR CLAMPING IN VISE; 5.000 IN. H; 1.750 IN. W; 1.750 IN. DEEP IN; End Item Identification: B-1B AIRCRAFT AGE.. 1 specification is 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 4920-01-194-8019 has DEMIL Code D. 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.