We've received your request for WWP521 (described as Flange Pipe), manufactured by Federal Specifications with CAGE code 81348. This part is registered under NSN 4730-00-145-3911, classified in FSG 47 Pipe Tubing Hose and Fittings / FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings. Our verification process will confirm traceability through supporting identifiers including NIIN 00-145-3911, NCB code 00 (origin: USA), and INC 03798. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your WWP521 requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
How to Begin the Quotation Process
| MRC | Criteria | Characteristic |
|---|---|---|
| ABFF | FURNISHED ITEMS | BOLT AND GASKET AND NUT |
| ABNM | THICKNESS | 0.875 INCHES NOMINAL |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | 2.500 INCHES |
| AJED | RAISED FACE HEIGHT | 0.062 INCHES NOMINAL |
| AJEG | NECK HEIGHT | 1.875 INCHES NOMINAL |
| AKWE | FACE SEATING SURFACE CONDITION | MACHINED |
| CRWH | MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 500.0 DEG FAHRENHEIT WATER |
| STYL | STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| ABKG | BOLT CIRCLE DIAMETER | 5.500 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 7.000 INCHES NOMINAL |
| AECS | BOLT HOLE QUANTITY | 4 |
| AHNX | BOLT HOLE DIAMETER | 0.625 INCHES NOMINAL |
| AJEE | RAISED FACE DIAMETER | 4.125 INCHES NOMINAL |
| AJEM | FLANGE SECTION STYLE | RAISED FACE, WELDING NECK |
| CQCJ | MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 150.0 POUNDS PER SQUARE INCH WATER |
| MATT | MATERIAL | STEEL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote