The Coupling Assembly,self-Sealing, cataloged under National Stock Number 4730-00-595-0759, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-595-0759 |
| Primary Part Number | 157-4D |
| 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 |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | ANODIZE BODY |
| Connection Style | FLARED FIRST QUICK DISCONNECT END |
| Second End Relationship with First End | IDENTICAL |
| Connection Type | THREADED EXTERNAL TUBE FIRST QUICK DISCONNECT END |
| Features Provided | SELF-SEALING |
| Thread Class | 3A FIRST QUICK DISCONNECT END A |
| Nominal Thread Size | 0.438 INCHES FIRST QUICK DISCONNECT END IN |
| Style Designator | COUPLING ASSEMBLY |
| Material | ALUMINUM ALLOY BODY |
| Seat Angle | 37.0 DEGREES |
| Thread Series Designator | UNF FIRST QUICK DISCONNECT END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST QUICK DISCONNECT END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-595-0759 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 4730-00-595-0759 has 2 cross-referenced part numbers: 157-4D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MILC25427 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 7 known substitutes for 4730-00-595-0759: 4730-00-564-2688, 4730-00-684-7199, 4730-00-756-9499 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 157-4D: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Surface Treatment: ANODIZE BODY; Connection Style: FLARED FIRST QUICK DISCONNECT END; Second End Relationship with First End: IDENTICAL. 14 total characteristics are documented in the Federal Logistics Information System.