The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-253-1391, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-00-253-1391 |
| Primary Part Number | 1000Z12 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Keyway Depth | 0.0940 INCHES NOMINAL FIRST END IN |
| Keyway Depth | 0.0940 INCHES NOMINAL SECOND END IN |
| Securing Method | THREADED HOLE(S) SECOND END |
| Threaded Hole Location | BOTH ENDS: LOCATED ON TOP OF KEY |
| Bore Length | 0.8750 INCHES NOMINAL FIRST END IN |
| Bore Length | 0.8750 INCHES NOMINAL SECOND END IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY FIRST END |
| Keying Facility Type | KEYWAY SECOND END |
| Outside Diameter | 2.063 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Keying Facility Quantity | 1 SECOND END |
| Keying Facility Quantity | 1 FIRST END |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 5/16 IN.-18 BOTH ENDS IN |
| Keyway Width | 0.188 INCHES NOMINAL FIRST END IN |
| Keyway Width | 0.188 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.7500 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.8750 INCHES NOMINAL FIRST END IN |
| Insert Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 1000Z12 | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 995-3003 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1000Z12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-00-253-1391 is a Coupling,shaft,flexible, manufactured by Raytheon Company Div Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-253-1391 has 1 manufacturer part number on file: 1000Z12 (Raytheon Company Div Corp).
Key specifications for 1000Z12: Keyway Depth: 0.0940 INCHES NOMINAL FIRST END IN; Keyway Depth: 0.0940 INCHES NOMINAL SECOND END IN; Securing Method: THREADED HOLE(S) SECOND END; Threaded Hole Location: BOTH ENDS: LOCATED ON TOP OF KEY. 22 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.