The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-019-2219, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Rtx Corporation Div Pratt & Whitney (CAGE 52661); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 3010-00-019-2219 |
| Primary Part Number | 500851 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 500851 | Rtx Corporation Div Pratt & Whitney (USA) |
| 500851 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 500851 | 5/9 Secondary reference Arrow Gear Llc |
| 500851 | 5/9 Secondary reference Bmt Aerospace Usa, Inc. |
| 500851 | 5/9 Secondary reference Aero Gear Incorporated |
NSN 3010-00-019-2219 is a Coupling,shaft,rigid, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-019-2219 has 2 manufacturer part numbers on file: 500851 (Rtx Corporation Div Pratt & Whitney), 500851 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-525-5579. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.