The Coupling Assembly,self-Sealing, cataloged under National Stock Number 4730-00-564-2688, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-564-2688 |
| Primary Part Number | 140-8D |
| Item Name | Coupling Assembly,self-Sealing |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Thread Series Designator | UNF FIRST QUICK DISCONNECT END |
| Material | ALUMINUM BODY |
| Connection Style | FLARED FIRST QUICK DISCONNECT END |
| Second End Relationship with First End | IDENTICAL |
| Connection Type | THREADED EXTERNAL TUBE FIRST QUICK DISCONNECT END |
| Thread Class | 3A FIRST QUICK DISCONNECT END A |
| Features Provided | SELF-SEALING |
| Basic Shape Style | ROUND MOUNTING FLANGE |
| Bolt Hole Quantity | 6 |
| Mounting Flange Location | FIRST LEG |
| Nominal Thread Size | 0.750 INCHES FIRST QUICK DISCONNECT END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST QUICK DISCONNECT END IN |
| Surface Treatment | ANODIZE BODY |
| Bolt Hole Nominal Diameter | 0.193 INCHES IN |
| Nominal Outside Diameter | 2.005 INCHES IN |
| Style Designator | COUPLING ASSEMBLY |
| Seat Angle | 37.0 DEGREES |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bolt Circle Nominal Diameter | 1.687 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4202842 | The Boeing Company (USA) |
| MIL-C-25427 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 140-8D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 4202842 | The Boeing Company (USA) |
NSN 4730-00-564-2688 is a Coupling Assembly,self-Sealing, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-564-2688 has 4 cross-referenced part numbers: 4202842 (The Boeing Company), MIL-C-25427 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 140-8D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 4202842 (The Boeing Company).
There are 8 known substitutes for 4730-00-564-2688: 4730-00-595-0759, 4730-00-684-7199, 4730-00-756-9499 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 140-8D: Thread Series Designator: UNF FIRST QUICK DISCONNECT END; Material: ALUMINUM BODY; Connection Style: FLARED FIRST QUICK DISCONNECT END; Second End Relationship with First End: IDENTICAL. 20 total characteristics are documented in the Federal Logistics Information System.