The Packing Nut, cataloged under National Stock Number 4730-00-326-6015, 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 Pavan & Kievit Enterprises Inc Dba Uehling Instrument Company. Government technical data includes 11 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 | 4730-00-326-6015 |
| Primary Part Number | B7393-3 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pavan & Kievit Enterprises Inc Dba Uehling Instrument Company |
| Status | ACTIVE |
| Width Across Flats | 0.436 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.438-24 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2A A |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 0.281 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 |
|---|---|
| B7393-3 PRIMARY | Pavan & Kievit Enterprises Inc Dba Uehling Instrument Company (USA) |
NSN 4730-00-326-6015 is a Packing Nut, manufactured by Pavan & Kievit Enterprises Inc Dba Uehling Instrument Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-326-6015 has 1 manufacturer part number on file: B7393-3 (Pavan & Kievit Enterprises Inc Dba Uehling Instrument Company).
Key specifications for B7393-3: Width Across Flats: 0.436 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS; Overall Length: 0.468 INCHES NOMINAL IN. 11 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.