The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-554-8649, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Diequa Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-554-8649 |
| Primary Part Number | CUA77AWN75.51 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Diequa Corp |
| Status | ACTIVE |
| Input Shaft Quantity | 1 |
| Gear Type | BEVEL |
| Input Shaft Type | STRAIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K77 | Diequa Corp (USA) |
| CUA77AWN75.51 PRIMARY | Diequa Corp (USA) |
NSN 3010-01-554-8649 is a Gear Assembly,speed Decreaser, manufactured by Diequa Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-554-8649 has 2 manufacturer part numbers on file: K77 (Diequa Corp), CUA77AWN75.51 (Diequa Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-555-6988, 5331-01-555-7077. Verify interchangeability with system specifications before substitution.
Key specifications for CUA77AWN75.51: Input Shaft Quantity: 1; Gear Type: BEVEL; Input Shaft Type: STRAIGHT; Special Features: LM-LCS LRHS GEARMOTOR ASSEMBLY OVERHEAD CRANE. 3 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.
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.