The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-070-3801, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-070-3801 |
| Primary Part Number | 1-1/8PL-7/8-3/4 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| Bore Length | 1.4380 INCHES NOMINAL BOTH ENDS IN |
| Overall Diameter | 2.938 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Body Material | STEEL |
| Bore Diameter | 0.7485 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.8735 INCHES NOMINAL FIRST END 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 |
|---|---|
| 1-1/8PL-7/8-3/4 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| 1-1/8PL-7/8-3/4 | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
| SM-A-949322-3 | 5/2 Secondary reference U.S. Government activity |
| SM-A-949322 | 7/1 Vendor item drawing reference U.S. Government activity |
| 1-1/8PL-718 | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
NSN 3010-01-070-3801 is a Coupling,shaft,rigid, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-070-3801 has 1 manufacturer part number on file: 1-1/8PL-7/8-3/4 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-082-2530. Verify interchangeability with system specifications before substitution.
Key specifications for 1-1/8PL-7/8-3/4: Bore Length: 1.4380 INCHES NOMINAL BOTH ENDS IN; Overall Diameter: 2.938 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN. 8 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.