The Coupling,pipe, cataloged under National Stock Number 4730-00-187-7610, 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 Mindeco Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-187-7610 |
| Primary Part Number | WWP521 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mindeco Corp |
| Status | CANCELLED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Maximum Operating Temp | 148.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | AIR THIRD RESPONSE |
| Maximum Operating Temp | 500.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Nominal Overall Length | 1.060 INCHES IN |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment Document and Classification | ASTM B633,TYPE 1 ASSN STD 1ST TREATMENT RESPONSE OR ASTM A153 ASSN STD 1ST TREATMENT RESPONSE OR ASTM A165,TYPE NS ASSN STD 2ND TREATMENT RESPONSE OR STM B633,TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material | IRON MALLEABLE OR STEEL OVERALL |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Specification/standard Data | 80204-B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81348-WW-P-521 GOVERNMENT SPECIFICATION AND 96906-MS39233 GOVERNMENT STANDARD |
| Specification/standard Data | 80204-B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81348-WW-P-521 GOVERNMENT SPECIFICATION AND 96906-MS39233 GOVERNMENT STANDARD |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | PLAIN W/ FLATED SIDES |
| Media for Which Designed | AIR THIRD RESPONSE |
| Material | IRON MALLEABLE OR STEEL OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE |
| Style Designator | PLAIN W/ FLATED SIDES |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Overall Length | 1.060 INCHES IN |
| Surface Treatment | ZINC OR CADMIUM OVERALL |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| Surface Treatment | ZINC OR CADMIUM OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WWP521 | Mindeco Corp (USA) |
| 3309-4 | International Machine Corp (USA) |
| 5-11-739-55 | W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA) |
| 2613 | The Entwistle Company Llc (USA) |
| MS39233-2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 192087 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| WW-P-521G | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 4730001877610 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| B16.3 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| WWP521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 7144068 | Electro-Heat Inc (USA) |
| ASME B16.3 | The American Society of Mechanical Engineers (USA) |
| BM11399-110 | Demarkus Corp Refrigeration Engineering Corp (USA) |
NSN 4730-00-187-7610 is a Coupling,pipe, manufactured by Mindeco Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-187-7610 has 13 cross-referenced part numbers: WWP521 (Mindeco Corp), 3309-4 (International Machine Corp), 5-11-739-55 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 2613 (The Entwistle Company Llc), MS39233-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.
There are 7 known substitutes for 4730-00-187-7610: 2920-00-142-0888, 5920-00-142-7439, 5977-00-519-8266 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for WWP521: Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS; Maximum Operating Temp: 148.0 FAHRENHEIT SECOND RESPONSE DEGF. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-187-7610 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.