The Packing Nut, cataloged under National Stock Number 4730-00-595-4565, 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 Sealcraft Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-595-4565 |
| Primary Part Number | H24K229 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sealcraft Corporation |
| Status | ACTIVE |
| Length to Shoulder | 1.250 INCHES NOMINAL IN |
| Width Across Flats | 1.969 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1-3/4IN-12 IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 3B |
| Screw Thread Location | INTERNAL |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 0.844 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 |
|---|---|
| H24K229 PRIMARY | Sealcraft Corporation (USA) |
| Reference | Meaning |
|---|---|
| 22CR419 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 22CR419 | 5/9 Secondary reference Oshkosh Corp |
| H24K229 | 5/9 Secondary reference Kaitlin Corp |
| H24K229 | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
NSN 4730-00-595-4565 is a Packing Nut, manufactured by Sealcraft Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-595-4565 has 1 manufacturer part number on file: H24K229 (Sealcraft Corporation).
Key specifications for H24K229: Length to Shoulder: 1.250 INCHES NOMINAL IN; Width Across Flats: 1.969 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Thread Length: 1.125 INCHES NOMINAL IN; Style Designator: HEXAGON, INTERNAL THREAD, SHOULDERED. 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.