The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-203-9459, 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 Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-9459 |
| Primary Part Number | 3203WITH14-3 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Features Provided | SAFETY LOCKING FEATURE AND SELF-SEALING |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Leg Length | 0.546 INCHES NOMINAL IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION |
| Nominal Thread Size | 0.375 INCHES SECOND FLUID END CONNECTION IN |
| Nominal Thread Size | 0.375 INCHES FIRST FLUID END CONNECTION IN |
| Material | STEEL OVERALL |
| Style Designator | FEMALE COUPLING HALF |
| Surface Treatment | CADMIUM OVERALL |
| Specification/standard Data | 58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPT SECOND FLUID END CONNECTION |
| Nondefinitive Spec/std Data | 1 TYPE AND A CLASS AND 2 STYLE AND 2 TYPE AND 1 STYLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3203WITH14-3 | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| MILC4109 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AA59439-02-12-00C | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| B32E WITH H2C-E | Parker-Hannifin Corporation Div Quick Coupling Division (USA) |
| M4109-021200C AND M4109-091200C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 3214 | Tuthill Corp Hansen Coupling Div (USA) |
| A-A-59439 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA59439-002-12-00-C | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-203-9459 is a Coupling Half,quick Disconnect, manufactured by Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-203-9459 has 8 cross-referenced part numbers: 3203WITH14-3 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), MILC4109 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA59439-02-12-00C (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), B32E WITH H2C-E (Parker-Hannifin Corporation Div Quick Coupling Division), M4109-021200C AND M4109-091200C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 12 known substitutes for 4730-00-203-9459: 1630-00-386-8538, 5950-00-488-9902, 5935-00-518-9772 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3203WITH14-3: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series Designator: NPT FIRST FLUID END CONNECTION; Connection Style: PLAIN FIRST FLUID END CONNECTION; Features Provided: SAFETY LOCKING FEATURE AND SELF-SEALING. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-203-9459 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.