The Nut,tube Coupling, cataloged under National Stock Number 4730-00-683-8745, 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 Hartford Compressors 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-683-8745 |
| Primary Part Number | 060P06 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hartford Compressors Inc |
| Status | ACTIVE |
| Length to Shoulder | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Width Across Flats | 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Material Document and Classification | QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Height | 0.840 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY 360 OVERALL |
| Fabrication Method | MACHINED |
| Smallest Inside Diameter | 0.505 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.500 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 |
| Part Number | Manufacturer |
|---|---|
| 060P06 PRIMARY | Hartford Compressors Inc (USA) |
| Reference | Meaning |
|---|---|
| 10543-6-6 | 3/2 Design control — primary reference U.S. Government activity |
| 10543-6-6 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-683-8745 is a Nut,tube Coupling, manufactured by Hartford Compressors Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-683-8745 has 1 manufacturer part number on file: 060P06 (Hartford Compressors Inc).
Key specifications for 060P06: Length to Shoulder: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Width Across Flats: 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.
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.