We are pleased to confirm immediate availability for DF6344 (Bolt Externally Rel), carrying NSN 5306-00-638-4963 and manufactured by American Standard Inc (CAGE code 35311). This certified component is classified under FSG 53 Hardware and Abrasives/FSC 5306 Bolts (NIIN: 00-638-4963), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part DF6344 (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 5306-00-638-4963. 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 American Standard Inc parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 5306-00-638-4963—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 |
|---|---|---|---|---|---|---|
| 5306-00-638-4963 Item Description: Boltexternally Relieved Body | 5306 | 006384963 | 0 | N | 5306005157710 | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 5176474 | 6 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0 480 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1 125 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0 266 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0 562 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0 380 INCHES NOMINAL |
| AAWD | SECOND DIAMETER FROM HEAD | 0 315 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0 520 INCHES NOMINAL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0 645 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0 375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 32 0 ROCKWELL C MINIMUM OVERALL AND 38 0 ROCKWELL C MAXIMUM OVERALL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| MATT | MATERIAL | STEEL COMP 4135 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZT | NONDEFINITIVE SPECSTD DATA | 8 GRADE |
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