The Packing Nut, cataloged under National Stock Number 4730-01-145-5775, 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 Clark-Reliance Llc Dba Jerguson Gage & Valve. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-145-5775 |
| Primary Part Number | P70-3-F4 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Clark-Reliance Llc Dba Jerguson Gage & Valve |
| Status | ACTIVE |
| Length to Shoulder | 0.718 INCHES NOMINAL IN |
| Width Across Flats | 0.638 INCHES NOMINAL IN |
| Thread Length | 0.718 INCHES NOMINAL IN |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1-1/4-14 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2B |
| Screw Thread Location | INTERNAL |
| Material | COPPER ALLOY 360 |
| Smallest Inside Diameter | 1.502 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 |
|---|---|
| P70-3-F4 PRIMARY | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| JMS-5104 | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| Reference | Meaning |
|---|---|
| E-345 PC-9 | C/1 Advisory reference — outside the item-of-supply concept Clark-Reliance Llc Dba Jerguson Gage & Valve |
| E-284 PIECE 10 | C/1 Advisory reference — outside the item-of-supply concept Clark-Reliance Llc Dba Jerguson Gage & Valve |
NSN 4730-01-145-5775 is a Packing Nut, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-145-5775 has 2 manufacturer part numbers on file: P70-3-F4 (Clark-Reliance Llc Dba Jerguson Gage & Valve), JMS-5104 (Clark-Reliance Llc Dba Jerguson Gage & Valve).
Key specifications for P70-3-F4: Length to Shoulder: 0.718 INCHES NOMINAL IN; Width Across Flats: 0.638 INCHES NOMINAL IN; Thread Length: 0.718 INCHES NOMINAL IN; Style Designator: HEXAGON, INTERNAL THREAD, SHOULDERED. 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.