The Adapter Bushing, cataloged under National Stock Number 4730-01-195-9859, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-195-9859 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Female End Characteristic | COUNTERSUNK |
| Counterbore/countersink Location | BOTH ENDS |
| Male End Thread Size | 1 3/8-12 |
| Female End Thread Length | 1.125 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Female End Thread Class | 2G G |
| Diameter | 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 3/4-7 |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | UNF |
| Chamfer Angle in Deg | 90.0 LOCATION NOT OTHERWISE SPECIFIED |
| Female End Screw Thread Series Designator | ACME |
| Male End Thread Class | 2A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | COPPER ALLOY |
| Male End Thread Length | 0.813 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACYIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Thickness | 0.187 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 803-2177525-X6XX-07 | 5/1 Secondary reference U.S. Government activity |
| 803-2177525 PC 7 | 5/1 Secondary reference U.S. Government activity |
| 803-2177525-X7XX-07 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-195-9859 is a Adapter Bushing, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-348-6543, 3120-01-358-7645. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-195-9859: Width Across Flats: 1.500 INCHES NOMINAL IN; Female End Characteristic: COUNTERSUNK; Counterbore/countersink Location: BOTH ENDS; Male End Thread Size: 1 3/8-12. 20 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 4730-01-195-9859 has DEMIL Code F. 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.