The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-279-1374, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries, Llc Div Couplings Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-279-1374 |
| Primary Part Number | 163DBZ ROUGH BORE |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries, Llc Div Couplings Division |
| Status | ACTIVE |
| Keyway Depth | 0.1718 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.6875 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DOUBLE DISK |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 4.5625 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.3437 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.8750 INCHES MAXIMUM BOTH ENDS 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 |
|---|---|
| 163DBZ ROUGH BORE PRIMARY | Rexnord Industries, Llc Div Couplings Division (USA) |
| Reference | Meaning |
|---|---|
| 163DBZ R0UGH B0 | C/1 Advisory reference — outside the item-of-supply concept Rexnord Industries, Llc Div Couplings Division |
NSN 3010-01-279-1374 is a Coupling,shaft,flexible, manufactured by Rexnord Industries, Llc Div Couplings Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-279-1374 has 1 manufacturer part number on file: 163DBZ ROUGH BORE (Rexnord Industries, Llc Div Couplings Division).
Key specifications for 163DBZ ROUGH BORE: Keyway Depth: 0.1718 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.6875 INCHES NOMINAL BOTH ENDS IN; Design Type: DOUBLE DISK; Keying Facility Type: KEYWAY BOTH ENDS. 10 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.