The Nut,union, cataloged under National Stock Number 4730-00-629-8034, 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 Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-629-8034 |
| Primary Part Number | 8528252 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Width Across Flats | 8.260 INCHES NOMINAL IN |
| Shoulder Step Width | 0.500 INCHES NOMINAL IN |
| Shoulder Width | 0.500 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 7.625 INCHES IN |
| Nut Diameter | 8.260 INCHES NOMINAL IN |
| Nut Height | 2.375 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Smallest Inside Diameter | 6.125 INCHES NOMINAL IN |
| Shoulder Seat Diameter | 6.840 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 |
|---|---|
| 8528252 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 1456-563085 | 5/9 Secondary reference U.S. Government activity |
| 8528252 | 3/2 Design control — primary reference U.S. Government activity |
| 1456-563085 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 4730-00-629-8034 is a Nut,union, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-629-8034 has 1 manufacturer part number on file: 8528252 (Us Army Aviation and Missile Command).
Key specifications for 8528252: Width Across Flats: 8.260 INCHES NOMINAL IN; Shoulder Step Width: 0.500 INCHES NOMINAL IN; Shoulder Width: 0.500 INCHES NOMINAL IN; Thread Series: UNS. 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.