The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-00-752-9180, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-752-9180 |
| Primary Part Number | 16PNU-SS |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Head Height | 0.406 INCHES NOMINAL IN |
| Connection Style | FLARELESS |
| Style Designator | PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC) |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.312 INCHES EXTERNAL IN |
| Seat Angle | 12.0 DEGREES |
| Specification/standard Data | 96906-MS51891 GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 13 FIGURE |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A EXTERNAL A |
| Thread Quantity Per Inch | 12 EXTERNAL |
| Material | STEEL COMP 304 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 |
|---|---|
| 16PNU-SS | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| B111357 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| MS51891-10SS | 5/2 Secondary reference U.S. Government activity |
| B111357 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 16PNU-SS | 5/9 Secondary reference U.S. Government activity |
| MIL-F-18866 | 4/1 Identification reference U.S. Government activity |
NSN 4730-00-752-9180 is a Plug,tube Fitting,threaded, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-752-9180 has 2 manufacturer part numbers on file: 16PNU-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), B111357 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for 16PNU-SS: Head Height: 0.406 INCHES NOMINAL IN; Connection Style: FLARELESS; Style Designator: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC); Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 14 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.