We are pleased to confirm immediate availability for 78077 (Insert Engine Valve), carrying NSN 2805-00-173-2546 and manufactured by Capitol Engine Co Inc (CAGE code 80271). This certified component is classified under FSG 28 Engines Turbines and Components/FSC 2805 Gasoline Reciprocating Engines Except Aircraft and Components (NIIN: 00-173-2546), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part 78077 (15-minute response guaranteed), please complete the form below. Providing detailed requirements ensures our specialists can quickly deliver competitive pricing, verified availability, and exact specification matching for NSN 2805-00-173-2546. Rest assured, you’ll receive the precise aerospace component your project demands.
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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 Capitol Engine Co Inc parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 2805-00-173-2546—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 |
|---|---|---|---|---|---|---|
| 2805-00-173-2546 Item Description: Insertengine Valve Seat | 2805 | 001732546 | N | 6115006973931 | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 78077a | 2 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0 186 INCHES MINIMUM AND 0 188 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 1 066 INCHES MINIMUM AND 1 067 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0 807 INCHES MINIMUM AND 0 817 INCHES MAXIMUM |
| AJSG | SEAT ANGLE IN DEG | 45 000 NOMINAL |
| CQFM | HARDNESS RATING | 46 0 ROCKWELL C MINIMUM OVERALL AND 54 0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN |
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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 |
