The Insert,flexible Coupling, cataloged under National Stock Number 3010-00-941-0334, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-941-0334 |
| Primary Part Number | 666276-087 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Key Width | 0.381 INCHES NOMINAL IN |
| Overall Thickness | 0.421 INCHES NOMINAL IN |
| Style Designator | KEY TO CROSS KEY FACE, ROUND BORE |
| Overall Outside Diameter | 0.750 INCHES NOMINAL IN |
| Key Height | 0.206 INCHES NOMINAL 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 |
|---|---|
| 666276-087 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| A8117 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 398308 | 5/2 Secondary reference U.S. Government activity |
| SM-B-502625 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-00-941-0334 is a Insert,flexible Coupling, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-941-0334 has 2 manufacturer part numbers on file: 666276-087 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), A8117 (Autodyne Manufacturing Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-335-7224. Verify interchangeability with system specifications before substitution.
Key specifications for 666276-087: Key Width: 0.381 INCHES NOMINAL IN; Overall Thickness: 0.421 INCHES NOMINAL IN; Style Designator: KEY TO CROSS KEY FACE, ROUND BORE; Overall Outside Diameter: 0.750 INCHES NOMINAL IN. 5 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.