The Coupling Half,shaft, cataloged under National Stock Number 3010-01-207-0655, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-207-0655 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 76553-78X14 PIECE 4 | 3/2 Design control — primary reference U.S. Government activity |
| 76553-78X14 | D/9 Drawing number reference only U.S. Government activity |
| SSBN640-209-2119527 PIECE 4 | 5/2 Secondary reference U.S. Government activity |
| SSBN640-209-2119527 | D/9 Drawing number reference only U.S. Government activity |
NSN 3010-01-207-0655 is a Coupling Half,shaft, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-207-1130, 4820-01-207-1131, 3010-01-292-5712. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-207-0655: Overall Length: 7.250 INCHES NOMINAL IN; Outside Diameter: 5.250 INCHES NOMINAL IN; Special Features: MALE HALF; UNTHREADED HOLE LOCATION:2.750" FROM EACH END TO CTR OF HOLES; UNTHREADED HOLE QTY:2; SECURING METHOD:UNTHREADED HOLE; HOLE DIA.:1.313" NOM.; Material: COPPER ALLOY. 2 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.