The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-528-3848, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-528-3848 |
| Primary Part Number | 52391 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) SECOND END |
| Threaded Hole Location | BOTH ENDS: 2 HOLES LOCATED ON EACH HUB 90 DEG APART |
| Design Type | NONINSULATOR SPRING ACTION |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 4 BOTH ENDS |
| Thread Size Designator | 8-32 BOTH ENDS |
| Bore Diameter | 0.2500 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| 52391 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 52391REVA | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc Div Space & Airborne Systems |
NSN 3010-00-528-3848 is a Coupling,shaft,flexible, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-528-3848 has 1 manufacturer part number on file: 52391 (L3harris Technologies, Inc Div Space & Airborne Systems).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-670-4703. Verify interchangeability with system specifications before substitution.
Key specifications for 52391: Securing Method: THREADED HOLE(S) SECOND END; Threaded Hole Location: BOTH ENDS: 2 HOLES LOCATED ON EACH HUB 90 DEG APART; Design Type: NONINSULATOR SPRING ACTION; Overall Length: 5.625 INCHES NOMINAL IN. 8 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.