The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-321-3256, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-321-3256 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Features Provided | EXPOSED COUPLING BOLT TYPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C554BN008 | 5/2 Secondary reference U.S. Government activity |
| H554BN001 | D/9 Drawing number reference only U.S. Government activity |
| H554BN001 ITEM 7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-321-3256 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-321-3256: Features Provided: EXPOSED COUPLING BOLT TYPE; End Item Identification: COOLER,CIRCULATING PUMP AND FILTER ASSEMBLY,JERED BROWN BROS,MODEL LHD-1. 1 specification is 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.