The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-249-8063, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-249-8063 |
| Primary Part Number | 6771957 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Bore Length | 1.750 INCHES NOMINAL THROUGH BORE IN |
| Bore Shape | STRAIGHT THROUGH BORE |
| Bore Diameter | 1.250 INCHES NOMINAL THROUGH BORE IN |
| 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 |
|---|---|
| 6771957 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6771957 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-01-249-8063 is a Coupling,shaft,rigid, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-249-8063 has 1 manufacturer part number on file: 6771957 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6771957: Bore Length: 1.750 INCHES NOMINAL THROUGH BORE IN; Bore Shape: STRAIGHT THROUGH BORE; End Item Identification: GENERAL MOTORS CORP 1972 HEAVY DUTY TRUCK MODEL NO. 9500,9501,AND 9502; Bore Diameter: 1.250 INCHES NOMINAL THROUGH BORE IN. 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.