The Coupling Half,shaft, cataloged under National Stock Number 3010-01-283-3915, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Martin Sprocket and Gear Co Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-283-3915 |
| Primary Part Number | 5016-7/8 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Martin Sprocket and Gear Co Inc |
| Status | ACTIVE |
| Bore Length | 1.4375 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 5016-7/8 PRIMARY | Martin Sprocket and Gear Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 5016-7/8 | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| 5016-7/8 | 5/9 Secondary reference Martin Sprocket and Gear Inc |
NSN 3010-01-283-3915 is a Coupling Half,shaft, manufactured by Martin Sprocket and Gear Co Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-283-3915 has 1 manufacturer part number on file: 5016-7/8 (Martin Sprocket and Gear Co Inc).
Key specifications for 5016-7/8: Bore Length: 1.4375 INCHES NOMINAL IN; Overall Length: 1.4375 INCHES NOMINAL IN; Features Provided: KEYWAY; Special Features: HOLE THREAD SIZE DESIGNATOR:1/4-20; THREADED HOLE LOCATION:OVER KEYWAY; THREADED HOLE QTY:1; SECURING METHOD:THREADED HOLE; BORE COUNTERBORE FEATURE:NOT INCLUDED; KEYING FACILITY QTY:1; O/A OUTSIDE DIMENSION:3.7187"; HUB OD:2.500" NOM.; FURNISHED ITEM AND QTY:(1) SETCREW; THREAD PROVISION:UNTHREADED; DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY:0.5312" NOM.; KEYEAY WD:0.1875" NOM.; FLANGE THICKNESS:0.343" NOM.. 4 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.