The Coupling,pipe, cataloged under National Stock Number 4730-00-187-7603, 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 The American Society of Mechanical Engineers. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-187-7603 |
| Primary Part Number | B16.3 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Nondefinitive Spec/std Data | 1 TYPE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | IRON OVERALL |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Nominal Overall Length | 2.880 INCHES IN |
| Material | IRON OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Nondefinitive Spec/std Data | 1 TYPE |
| Maximum Operating Temp | 260.0 CELSIUS FIRST RESPONSE DEGC |
| Style Designator | PLAIN W/ FLATED SIDES |
| Style Designator | PLAIN W/ FLATED SIDES |
| Maximum Operating Temp | 65.6 CELSIUS SECOND RESPONSE DEGC |
| Nominal Overall Length | 2.880 INCHES IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B16.3 | The American Society of Mechanical Engineers (USA) |
| 800411 | Terex American Crane Corp (USA) |
| WWP521 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| WWP521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 800411 | American Hoist and Derrick Co |
NSN 4730-00-187-7603 is a Coupling,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-187-7603 has 5 cross-referenced part numbers: B16.3 (The American Society of Mechanical Engineers), 800411 (Terex American Crane Corp), WWP521 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC), 800411 (American Hoist and Derrick Co).
There is 1 known substitute for 4730-00-187-7603: 4810-01-394-4811. Verify interchangeability with system specifications before substitution.
Key specifications for B16.3: Nondefinitive Spec/std Data: 1 TYPE; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-187-7603 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.