The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-070-3770, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Renold Inc Div Ajax. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-070-3770 |
| Primary Part Number | D-100-1-1-1/2 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Renold Inc Div Ajax |
| Status | ACTIVE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGE |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD 2ND MATERIAL RESPONSE |
| Bore Shape | STRAIGHT FIRST END |
| Body Material | STEEL COMP 1045 |
| Unthreaded Hole Quantity | 6 |
| Surface Treatment | ANODIZE |
| Bore Diameter | 1.4980 INCHES NOMINAL FIRST END IN |
| Hole Diameter | 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL 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 |
|---|---|
| D-100-1-1-1/2 PRIMARY | Renold Inc Div Ajax (USA) |
| Reference | Meaning |
|---|---|
| SM-A-949323-1 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-01-070-3770 is a Coupling,shaft,rigid, manufactured by Renold Inc Div Ajax, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-070-3770 has 1 manufacturer part number on file: D-100-1-1-1/2 (Renold Inc Div Ajax).
Key specifications for D-100-1-1-1/2: Overall Diameter: 3.500 INCHES NOMINAL IN; Style Designator: PLAIN FLANGE; Material Document and Classification: 66 FED STD 1ST MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD 2ND MATERIAL RESPONSE; Overall Length: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN. 9 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.