The Packing Nut, cataloged under National Stock Number 4730-01-044-9454, 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 Gichner Systems Group, Inc. Div C5isr Division. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-044-9454 |
| Primary Part Number | 5600313-001 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Thread Length | 0.688 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 2-1/8-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 2B |
| Screw Thread Location | EXTERNAL |
| Material | STEEL |
| Smallest Inside Diameter | 1.500 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 |
|---|---|
| 5600313-001 PRIMARY | Gichner Systems Group, Inc. Div C5isr Division (USA) |
| Reference | Meaning |
|---|---|
| 5600313-001 | 3/9 Design control — primary reference Gichner Systems Group Inc Gichner Mobilizer Div |
NSN 4730-01-044-9454 is a Packing Nut, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-044-9454 has 1 manufacturer part number on file: 5600313-001 (Gichner Systems Group, Inc. Div C5isr Division).
Key specifications for 5600313-001: Width Across Flats: 2.000 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Thread Length: 0.688 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, INVERTED FLARE. 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.