The Nut,union, cataloged under National Stock Number 4730-01-497-8044, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-497-8044 |
| Primary Part Number | 7326713 FIND 2 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.375 INCHES NOMINAL IN |
| Shoulder Step Width | 0.188 INCHES NOMINAL IN |
| Shoulder Width | 0.188 INCHES NOMINAL IN |
| Thread Series | UNF |
| Supplementary Features | INCLUDES 2 LOCKWIRE HOLES ON OPPOSITE CORNERS |
| Maximum Working Pressure Rating and Service for Which Designed | 6000.0 POUNDS PER SQUARE INCH (PSI) OIL LBS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 0.593 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | TITANIUM OVERALL |
| Smallest Inside Diameter | 0.750 INCHES NOMINAL IN |
| Shoulder Seat Diameter | 0.906 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 |
|---|---|
| 7326713 FIND 2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H850N-12-T2-LW-Z | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-497-8044 is a Nut,union, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-497-8044 has 1 manufacturer part number on file: 7326713 FIND 2 (Naval Sea Systems Command).
Key specifications for 7326713 FIND 2: Width Across Flats: 1.375 INCHES NOMINAL IN; Shoulder Step Width: 0.188 INCHES NOMINAL IN; Shoulder Width: 0.188 INCHES NOMINAL IN; Thread Series: UNF. 16 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.