The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-540-7646, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-540-7646 |
| Primary Part Number | S022-1 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Bore Length | 0.7500 INCHES NOMINAL BOTH ENDS IN |
| Overall Diameter | 0.438 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Body Material | COPPER ALLOY |
| Threaded Hole Quantity | 4 |
| Thread Size Designator | 6-32 |
| Surface Treatment | CADMIUM |
| Bore Diameter | 0.2510 INCHES NOMINAL 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 |
|---|---|
| S022-1 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| 120 | 3/2 Design control — primary reference U.S. Government activity |
| 4405B0632 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 532575-1 | 5/2 Secondary reference U.S. Government activity |
| 120 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-00-540-7646 is a Coupling,shaft,rigid, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-540-7646 has 1 manufacturer part number on file: S022-1 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for S022-1: Bore Length: 0.7500 INCHES NOMINAL BOTH ENDS IN; Overall Diameter: 0.438 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 0.750 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.