The Packing Nut, cataloged under National Stock Number 4730-01-506-3590, 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 Morrison Brothers Co Dba Morrison Brothers Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-506-3590 |
| Primary Part Number | 235RF-0307 2I |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Morrison Brothers Co Dba Morrison Brothers Co |
| Status | ACTIVE |
| Length to Shoulder | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Width Across Flats | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Application/function | 6"T.T. FLANGED GATE VALVE |
| Thread Length | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Supplementary Features | ITEM IS DOMED WITH A 4.750" RADIUS OVER A LENGTH OF 0.187"; 15/16" DRILL FOR APERTURE ON DOMED END; UNTHREADED INTERIOR LENGTH IS 0.125" |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Thread Size | 1,3/4-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 2B |
| Screw Thread Location | INTERNAL |
| Material | COPPER ALLOY 360 |
| 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 |
|---|---|
| 235RF-0307 2I PRIMARY | Morrison Brothers Co Dba Morrison Brothers Co (USA) |
| Reference | Meaning |
|---|---|
| B-5984-7 | D/9 Drawing number reference only Morrison Brothers Co Dba Morrison Brothers Co |
NSN 4730-01-506-3590 is a Packing Nut, manufactured by Morrison Brothers Co Dba Morrison Brothers Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-506-3590 has 1 manufacturer part number on file: 235RF-0307 2I (Morrison Brothers Co Dba Morrison Brothers Co).
Key specifications for 235RF-0307 2I: Length to Shoulder: 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN; Width Across Flats: 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN; Application/function: 6"T.T. FLANGED GATE VALVE; Thread Length: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM 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.