The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-889-5929, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Atchison Charles R Dba Pyramid Promotions. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-00-889-5929 |
| Primary Part Number | 7304-0001 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Atchison Charles R Dba Pyramid Promotions |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: HOLES LOCATED 0.156 IN. FROM END IN |
| Bore Length | 0.6875 INCHES NOMINAL FIRST END IN |
| Bore Length | 0.6875 INCHES NOMINAL SECOND END IN |
| Design Type | GRID SPRING |
| Outside Diameter | 1.171 INCHES NOMINAL IN |
| Features Provided | HELICAL SPRING, RH AXIALLY COILED |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Thread Size Designator | 0.250-20 BOTH ENDS |
| Bore Diameter | 0.5000 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.4375 INCHES NOMINAL SECOND END IN |
| Furnished Items and Quantity | SETSCREW 2 |
| 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 |
|---|---|
| 7304-0001 PRIMARY | Atchison Charles R Dba Pyramid Promotions (USA) |
| Reference | Meaning |
|---|---|
| 26 | 3/9 Design control — primary reference Amtrol Inc |
NSN 3010-00-889-5929 is a Coupling,shaft,flexible, manufactured by Atchison Charles R Dba Pyramid Promotions, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-889-5929 has 1 manufacturer part number on file: 7304-0001 (Atchison Charles R Dba Pyramid Promotions).
Key specifications for 7304-0001: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: HOLES LOCATED 0.156 IN. FROM END IN; Bore Length: 0.6875 INCHES NOMINAL FIRST END IN; Bore Length: 0.6875 INCHES NOMINAL SECOND END IN. 13 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.