The Reducer,pipe, cataloged under National Stock Number 4730-00-231-5647, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-231-5647 |
| Primary Part Number | MS39232-4 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Maximum Operating Temp | 500.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Series Designator | NPT ALL ENDS |
| Material | IRON MALLEABLE OVERALL |
| Media for Which Designed | AIR THIRD RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Nondefinitive Spec/std Data | 2 TYPE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Surface Treatment | ZINC OVERALL |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM A197 OR ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Overall Length | 1.250 INCHES IN |
| Specification/standard Data | 81348-WW-P-521 GOVERNMENT SPECIFICATION AND 96906-MS39232 GOVERNMENT STANDARD |
| Reducer Type | CONCENTRIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS39232-4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B16.3 | The American Society of Mechanical Engineers (USA) |
| MS39232-4 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| 144216 | Griswold Industries Dba Cla-Val Co (USA) |
| WWP521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 144100 | General Motors Corp (USA) |
| MS39232-4 | Griswold Industries Dba Cla-Val Co (USA) |
| 142269 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| MS39232-4 | Mil-Craft Mfg., Inc. (USA) |
| MS39232-4 | Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA) |
| AMSE B16.3 | The American Society of Mechanical Engineers (USA) |
NSN 4730-00-231-5647 is a Reducer,pipe, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-231-5647 has 11 cross-referenced part numbers: MS39232-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), B16.3 (The American Society of Mechanical Engineers), MS39232-4 (Curtiss-Wright Controls, Inc. Div Actuation Division), 144216 (Griswold Industries Dba Cla-Val Co), WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC) and 6 more.
There are 8 known substitutes for 4730-00-231-5647: 4730-00-193-0871, 4730-00-196-0861, 5320-00-558-6343 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS39232-4: Nominal Thread Size: 0.375 INCHES SECOND END IN; Maximum Operating Temp: 500.0 FAHRENHEIT FIRST RESPONSE DEGF; Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-231-5647 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.