The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-203-2998, 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 Dresser Industries Inc Leroi Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-2998 |
| Primary Part Number | A28-239 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Nominal Inside Diameter Hose Accommodated | 0.500 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Inside Diameter Hose Accommodated | 0.500 INCHES ALL ENDS IN |
| Style Designator | MALE COUPLING HALF |
| Connection Style | BARBED OR SERRATED END ALL ENDS |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION |
| Nondefinitive Spec/std Data | 1 TYPE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Quick Disconnect Method | TWO LUG UNIVERSAL ALL ENDS |
| Material | IRON BODY |
| Surface Treatment | CADMIUM BODY |
| Nondefinitive Spec/std Data | 1 TYPE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Style Designator | MALE COUPLING HALF |
| Material | IRON BODY |
| Furnished Items | GASKET |
| Surface Treatment | CADMIUM BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A28-239 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| C36838 | Chicago Pneumatic Tool Co (USA) |
| AM1 PRIMARY | Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA) |
| 3306 | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 19168 | Desa Industries Inc Div of Amca International Corp (USA) |
| WWC633TYPE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| C36838 | Chicago Pneumatic Tool Co (USA) |
NSN 4730-00-203-2998 is a Coupling Half,quick Disconnect, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-203-2998 has 7 cross-referenced part numbers: A28-239 (Dresser Industries Inc Leroi Div), C36838 (Chicago Pneumatic Tool Co), AM1 (Dixon Valve & Coupling Company, Llc Div Dixon Fire), 3306 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 19168 (Desa Industries Inc Div of Amca International Corp) and 2 more.
There are 12 known substitutes for 4730-00-203-2998: 5915-00-102-6809, 5310-00-176-7899, 4730-00-273-0667 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A28-239: Nominal Inside Diameter Hose Accommodated: 0.500 INCHES ALL ENDS IN; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY; Nominal Inside Diameter Hose Accommodated: 0.500 INCHES ALL ENDS IN; Style Designator: MALE COUPLING HALF. 19 total characteristics are documented in the Federal Logistics Information System.