The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-134-7871, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Secs Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-134-7871 |
| Primary Part Number | BCP27M0D |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Secs Inc |
| Status | ACTIVE |
| Spline Minor Diameter | 0.2084 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: 0.125 IN. FROM END OF HUB IN |
| Design Type | BELLOWS |
| Spline Length | 0.162 INCHES MINIMUM FIRST END IN |
| Spline Length | 0.172 INCHES MAXIMUM SECOND END IN |
| Spline Major Diameter | 0.2500 INCHES MINIMUM FIRST END IN |
| Spline Major Diameter | 0.2505 INCHES MAXIMUM SECOND END IN |
| Counterbore Depth | 0.2500 INCHES NOMINAL BOTH ENDS IN |
| Features Provided | COUNTERBORE |
| Spline Quantity | 22 BOTH ENDS |
| Counterbore Diameter | 0.2084 INCHES NOMINAL BOTH ENDS IN |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 4-40 BOTH ENDS |
| Bellows Material | NICKEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BCP27M0D PRIMARY | Secs Inc (USA) |
| Reference | Meaning |
|---|---|
| 227-014-0001 | 5/2 Secondary reference U.S. Government activity |
| 227-014-0002 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-134-7871 is a Coupling,shaft,flexible, manufactured by Secs Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-134-7871 has 1 manufacturer part number on file: BCP27M0D (Secs Inc).
Key specifications for BCP27M0D: Spline Minor Diameter: 0.2084 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: 0.125 IN. FROM END OF HUB IN; Design Type: BELLOWS. 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.
NSN 3010-00-134-7871 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.