The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-465-7684, 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 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-465-7684 |
| Primary Part Number | 12-8 F5BU-S |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.250 INCHES ALL ENDS IN |
| Furnished Items and Quantity | 1 PREFORMED PACKING AND 1 SHORT COUPLING NUT WITH SLEEVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Surface Treatment Document and Classification | SAE-AMS-C-81562 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | MIL-T-8504 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES SECOND END IN |
| Seat Angle | 37.0 RADIANS SECOND END |
| Specification/standard Data | MS51843 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | UNABLE TO DECODE |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | UNABLE TO DECODE |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| 12-8 F5BU-S PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 12-8 F5BU | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-01-465-7684 is a Adapter,straight,tube to Boss, 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 4730-01-465-7684 has 1 manufacturer part number on file: 12-8 F5BU-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 12-8 F5BU-S: Nominal Width Across Flats: 1.250 INCHES ALL ENDS IN; Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 SHORT COUPLING NUT WITH SLEEVE; Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN; Surface Treatment Document and Classification: UNABLE TO DECODE. 28 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.