The Packing Nut, cataloged under National Stock Number 4730-00-202-7108, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. 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 | 4730-00-202-7108 |
| Primary Part Number | 298493 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Length to Shoulder | 0.219 INCHES NOMINAL IN |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.141 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.438-32 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2B |
| Screw Thread Location | INTERNAL |
| Material | STEEL COMP 416 |
| Smallest Inside Diameter | 0.281 INCHES MINIMUM AND 0.286 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 |
|---|---|
| 298493 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 4730-00-202-7108 is a Packing Nut, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-202-7108 has 1 manufacturer part number on file: 298493 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 298493: Length to Shoulder: 0.219 INCHES NOMINAL IN; Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Length: 0.141 INCHES NOMINAL IN; Overall Length: 0.344 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.