We are pleased to confirm immediate availability for 419487 (Nut Tube Coupling), carrying NSN 4730-00-421-3876 and manufactured by Simon Paul Boiler And Welding Co (CAGE code 27606). This certified component is classified under FSG 47 Pipe Tubing Hose and Fittings/FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings (NIIN: 00-421-3876), meeting all military specifications for guaranteed traceability and performance compliance.
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Aviation Purchasing Platform is a trusted sourcing solution owned and operated by ASAP Semiconductor—an AS9120B, ISO 9001:2015, and FAA 0056B certified distributor. With access to over 10 million national stock numbers (NSNs) across 26+ federal supply categories, we specialize in procuring rare, obsolete, and long-lead-time components, including Simon Paul Boiler And Welding Co parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 4730-00-421-3876—including this part—is uniquely labeled to reflect its integration into the U.S. DoD supply system. As a National Stock Number, it signifies compliance with NATO and U.S. Department of Defense standards, ensuring traceability, quality, and interoperability across allied military operations.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4730-00-421-3876 Item Description: Nuttube Coupling | 4730 | 004213876 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 419487 | 2 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJE | THREAD PITCH DIAMETERS | 1 0084 TO 1 0139 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 1 187 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 1 375 INCHES NOMINAL |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 1 062 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0 750 INCHES |
| CRRB | SEAT ANGLE | 0 45 DEGREES NOMINAL |
| MATT | MATERIAL | ALUMINUM OVERALL |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
