The Packing Nut, cataloged under National Stock Number 4730-00-585-7501, 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 Mission Systems Orchard Park Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-585-7501 |
| Primary Part Number | F20028-1 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Material Hardness Rating | 16.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM |
| Hole or Slot Quantity | 2 |
| Strength Rating | ERR-060 |
| Thread Length | 0.140 INCHES NOMINAL IN |
| Style Designator | ROUND SLOTTED, EXTERNAL THREAD, BOSS |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 3/8IN-24 IN |
| Screw Thread Series Designator | UNF |
| Thread Class | 3A A |
| Major Unthreaded Outside Diameter | 0.375 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Material | STEEL COMP 303 |
| Slot Width | 0.078 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.250 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 |
|---|---|
| F20028-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| F20028-1 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 4730-00-585-7501 is a Packing Nut, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-585-7501 has 1 manufacturer part number on file: F20028-1 (Mission Systems Orchard Park Inc).
Key specifications for F20028-1: Material Hardness Rating: 16.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM; Hole or Slot Quantity: 2; Strength Rating: ERR-060; Thread Length: 0.140 INCHES NOMINAL IN. 15 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.