The Nut,tube Coupling, cataloged under National Stock Number 4730-00-460-2086, 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 18 specifications, cited from the U.S. Government catalog. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-460-2086 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Length to Shoulder | 0.677 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.062 INCHES IN |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51823 GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 31 FIGURE |
| Nut Height | 0.970 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Fabrication Method | MACHINED |
| Smallest Inside Diameter | 0.756 INCHES MINIMUM AND 0.759 INCHES MAXIMUM IN |
| Nominal Tube Outside Diameter | 0.750 INCHES IN |
| 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 |
|---|---|
| MS51823-8 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| MS51823-8 | 5/1 Secondary reference Danfoss Power Solutions II, Llc |
| MILF18866 | 5/9 Secondary reference U.S. Government activity |
| MS51823-8 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51823-8 | 2/2 Government specification standardization U.S. Government activity |
| 12BUS | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 12 080110C | 5/9 Secondary reference U.S. Government activity |
| MS51823-8 | 5/9 Secondary reference Imperial |
| MS51823-8 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| J514 | 5/9 Secondary reference U.S. Government activity |
| 12BUS | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| 12 080110C | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-460-2086 is a Nut,tube Coupling, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-00-837-6248. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-460-2086: Length to Shoulder: 0.677 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN; Width Across Flats: 1.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN. 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.