We are pleased to confirm immediate availability for 388228 (Nut Plain Round), carrying NSN 5310-00-800-4127 and manufactured by Kito Mfg Co Ltd (CAGE code S0254). This certified component is classified under FSG 53 Hardware and Abrasives/FSC 5310 Nuts and Washers (NIIN: 00-800-4127), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part 388228 (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 5310-00-800-4127. 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 Kito Mfg Co Ltd parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 5310-00-800-4127—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 |
|---|---|---|---|---|---|---|
| 5310-00-800-4127 Item Description: Nutplainround | 5310 | 008004127 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 388228 | 6 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTD | NUT DIAMETER | 1 917 INCHES NOMINAL |
| ADBH | DRIVE POINT WIDTH | 0 190 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3B |
| ABQU | DRIVE POINT DEPTH | 0 098 INCHES NOMINAL |
| ACTA | NUT STYLE | ROUND |
| ADBG | NUT THICKNESS | 0 280 INCHES NOMINAL |
| ADBM | DRIVE POINT QUANTITY | 8 |
| CQJX | NOMINAL THREAD SIZE | 1 375 INCHES |
| FEAT | SPECIAL FEATURES | HOLDS BEARING ON ROTATING SHAFT INSIDE THE GEARBOX OF A TF33 JET ENGINE CRITICAL APPLICATION ESSENTIAL TO WEAPONS SYSTEM PERFORMANCE AND OPERATION |
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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 |
