The Packing Nut, cataloged under National Stock Number 4730-00-732-9622, 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 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-732-9622 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Width Across Flats | 1.375 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.0 |
| Thread Length | 0.562 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1-1/4IN-18 IN |
| Screw Thread Series Designator | UNEF |
| Thread Class | 2A A |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 0.651 INCHES MINIMUM AND 0.661 INCHES MAXIMUM 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 |
|---|---|
| 956343 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 7329622 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| S805 | 5/9 Secondary reference Wheaton Glass Co |
| S805 | 3/9 Design control — primary reference Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton |
| F3M1L | 5/9 Secondary reference Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton |
NSN 4730-00-732-9622 is a Packing Nut, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-732-9622: Width Across Flats: 1.375 INCHES NOMINAL IN; Seat Angle in Deg: 30.0; Thread Length: 0.562 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, INVERTED FLARE. 12 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.