The Packing Nut, cataloged under National Stock Number 4730-00-424-5704, 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 Itw Industrial Finishing Dba Binks Devilbiss. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-424-5704 |
| Primary Part Number | DT-748 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Itw Industrial Finishing Dba Binks Devilbiss |
| Status | ACTIVE |
| Length to Shoulder | 0.171 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.000 |
| Thread Length | 0.156 INCHES NOMINAL IN |
| Style Designator | KNURLED, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 3/8-32 |
| Screw Thread Series Designator | UNEF |
| Surface Treatment | CHROMIUM |
| Thread Class | 3B |
| Major Unthreaded Outside Diameter | 0.390 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Screw Thread Location | INTERNAL |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 0.120 INCHES MINIMUM AND 0.140 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 |
| Part Number | Manufacturer |
|---|---|
| DT-748 PRIMARY | Itw Industrial Finishing Dba Binks Devilbiss (USA) |
NSN 4730-00-424-5704 is a Packing Nut, manufactured by Itw Industrial Finishing Dba Binks Devilbiss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-424-5704 has 1 manufacturer part number on file: DT-748 (Itw Industrial Finishing Dba Binks Devilbiss).
Key specifications for DT-748: Length to Shoulder: 0.171 INCHES NOMINAL IN; Seat Angle in Deg: 45.000; Thread Length: 0.156 INCHES NOMINAL IN; Style Designator: KNURLED, INTERNAL THREAD, SHOULDERED. 14 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.