The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-01-510-4331, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-510-4331 |
| Primary Part Number | 799-D-13220 ITEM 9 |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Head Height | 0.350 INCHES NOMINAL IN |
| Connection Style | GASKET SEAL |
| Style Designator | PLUG, MACHINE |
| Features Provided | O RING AND SCREW AND WIRE ROPE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.8125 INCHES EXTERNAL IN |
| Washer Face Diameter | 0.875 INCHES NOMINAL IN |
| Washer Face Thickness | 0.094 INCHES NOMINAL IN |
| Thread Class | 2A EXTERNAL A |
| Thread Quantity Per Inch | 16 EXTERNAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN EXTERNAL |
| 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 |
|---|---|
| 799-D-13220 ITEM 9 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 157-07786-000 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
NSN 4730-01-510-4331 is a Plug,tube Fitting,threaded, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-510-4331 has 2 manufacturer part numbers on file: 799-D-13220 ITEM 9 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 157-07786-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 799-D-13220 ITEM 9: Head Height: 0.350 INCHES NOMINAL IN; Connection Style: GASKET SEAL; Style Designator: PLUG, MACHINE; Overall Length: 0.854 INCHES NOMINAL IN. 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.