The Adapter Bushing, cataloged under National Stock Number 4730-01-066-9675, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-066-9675 |
| Primary Part Number | 810-2177525C711-07 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Female End Characteristic | COUNTERSUNK |
| Counterbore/countersink Location | INTERNAL BOTH ENDS |
| Male End Thread Size | 1.375-12 |
| Female End Thread Length | 1.125 INCHES NOMINAL IN |
| Female End Thread Class | 2B |
| Diameter | 0.800 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 0.750-7 |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | UNF |
| Chamfer Angle in Deg | 45.0 LOCATION NOT OTHERWISE SPECIFIED |
| Female End Screw Thread Series Designator | ACME G |
| Male End Thread Class | 2A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | STEEL |
| Male End Thread Length | 0.812 INCHES NOMINAL IN |
| Thickness | 0.188 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 |
|---|---|
| 810-2177525C711-07 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-2177525 | D/9 Drawing number reference only Naval Sea Systems Command |
| 803-2177525C711 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 803-2177525 ITE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-066-9675 is a Adapter Bushing, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-066-9675 has 1 manufacturer part number on file: 810-2177525C711-07 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-141-5053. Verify interchangeability with system specifications before substitution.
Key specifications for 810-2177525C711-07: Width Across Flats: 1.500 INCHES NOMINAL IN; Female End Characteristic: COUNTERSUNK; Counterbore/countersink Location: INTERNAL BOTH ENDS; Male End Thread Size: 1.375-12. 18 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.