We are pleased to confirm immediate availability for 127 A2-M4 (Washer Lock), carrying NSN 5310-01-173-2824 and manufactured by Machida Incorporated (CAGE code 57730). This certified component is classified under FSG 53 Hardware and Abrasives/FSC 5310 Nuts and Washers (NIIN: 01-173-2824), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part 127 A2-M4 (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 5310-01-173-2824. 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 Machida Incorporated parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 5310-01-173-2824—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 |
|---|---|---|---|---|---|---|
| 5310-01-173-2824 Item Description: Washerlock | 5310 | 011732824 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 127a2-M4 | 2 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 4 1 MILLIMETERS MINIMUM AND 4 3 MILLIMETERS MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 7 6 MILLIMETERS NOMINAL |
| ABPX | MATERIAL THICKNESS | 0 9 MILLIMETERS NOMINAL |
| MATT | MATERIAL | STEEL COMP 304 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-763COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
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