The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-939-8253, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Continental Electronics Corp. Government technical data includes 15 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-939-8253 |
| Primary Part Number | 400-0037 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Continental Electronics Corp |
| Status | ACTIVE |
| Keyway Depth | 0.1880 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: LOCATED ON GEAR HUB BETWEEN HUB END AND FACE |
| Bore Length | 2.1880 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 6.000 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND STANDARD GRID SPRING AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 3/8-16 BOTH ENDS |
| Keyway Width | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.6250 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | 2 SETSCREWS |
| 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 |
|---|---|
| 400-0037 PRIMARY | Continental Electronics Corp (USA) |
NSN 3010-00-939-8253 is a Coupling,shaft,flexible, manufactured by Continental Electronics Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-939-8253 has 1 manufacturer part number on file: 400-0037 (Continental Electronics Corp).
2 possible matches (shared part number, not a government interchangeability claim): 6550-01-623-8111, 5999-01-663-3247. Verify interchangeability with system specifications before substitution.
Key specifications for 400-0037: Keyway Depth: 0.1880 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: LOCATED ON GEAR HUB BETWEEN HUB END AND FACE; Bore Length: 2.1880 INCHES NOMINAL BOTH ENDS IN. 15 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.