The Elbow,pipe, cataloged under National Stock Number 4730-00-277-5644, 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 Stockham Valves and Fittings Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 4730-00-277-5644 |
| Primary Part Number | FIG 601 2 1/2INCH,GALVANIZED |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Stockham Valves and Fittings Inc |
| Status | CANCELLED |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Flow Angle | 90.0 DEGREES |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | WATER FIRST RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Maximum Operating Temp | 260.0 CELSIUS SECOND RESPONSE DEGC |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Maximum Operating Temp | 65.6 CELSIUS FIRST RESPONSE DEGC |
| Leg Length | 2.700 INCHES NOMINAL ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Specification/standard Data | 81348-WW-P-521 GOVERNMENT SPECIFICATION |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | IRON MALLEABLE OVERALL |
| Surface Treatment | ZINC OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WWP521TYPE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| PV-112-A | Tld Wollard Llc (USA) |
| FIG 601 2 1/2INCH,GALVANIZED PRIMARY | Stockham Valves and Fittings Inc (USA) |
NSN 4730-00-277-5644 is a Elbow,pipe, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-277-5644 has 3 cross-referenced part numbers: WWP521TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC), PV-112-A (Tld Wollard Llc), FIG 601 2 1/2INCH,GALVANIZED (Stockham Valves and Fittings Inc).
There are 12 known substitutes for 4730-00-277-5644: 4730-00-231-5654, 4730-00-231-5657, 4730-00-231-5661 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FIG 601 2 1/2INCH,GALVANIZED: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Nominal Thread Size: 2.500 INCHES ALL ENDS IN; Flow Angle: 90.0 DEGREES; Thread Series Designator: NPT ALL ENDS. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-277-5644 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.