The Coupling Half,shaft, cataloged under National Stock Number 3010-01-407-0668, 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 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 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 | 3010-01-407-0668 |
| Primary Part Number | 616603 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Renold Inc Div Ajax |
| Status | ACTIVE |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT |
| Bore Diameter | 1.5000 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 |
|---|---|
| 616603 PRIMARY | Renold Inc Div Ajax (USA) |
NSN 3010-01-407-0668 is a Coupling Half,shaft, manufactured by Renold Inc Div Ajax, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-407-0668 has 1 manufacturer part number on file: 616603 (Renold Inc Div Ajax).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-457-5870. Verify interchangeability with system specifications before substitution.
Key specifications for 616603: Features Provided: KEYWAY; Bore Shape: STRAIGHT; Special Features: KEYING FACILITY QTY:1; THREAD PROVISION:UNTHREADED; DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY:0.9375" NOM.; KEYWAY WD:0.1875" NOM.; Bore Diameter: 1.5000 INCHES NOMINAL 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.