The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-01-633-4744, 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 Sae International Dba Sae International. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-633-4744 |
| Primary Part Number | AS5168R03 |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35, TYPE VI, OR VII ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED |
| Material Document and Classification | QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.375 INCHES EXTERNAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 24 EXTERNAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| AS5168R03 | Nelson Aero Space, Inc. (USA) |
| AS5168R03 PRIMARY | Sae International Dba Sae International (USA) |
| AS5168R03 | Aerofit, Llc (USA) |
| AS5168R03 | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA) |
| AS5168R03 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| AS5168R03 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-633-4744 is a Plug,tube Fitting,threaded, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-633-4744 has 5 manufacturer part numbers on file: AS5168R03 (Nelson Aero Space, Inc.), AS5168R03 (Sae International Dba Sae International), AS5168R03 (Aerofit, Llc), AS5168R03 (Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco), AS5168R03 (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for AS5168R03: Surface Treatment Document and Classification: QQ-P-35, TYPE VI, OR VII ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED; Material Document and Classification: QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.672 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.