| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-638-0206 (006380206) |
| NCB Code | USA (00) |
| Manufacturer | Teledyne Industries Inc, Unison Industries Llc, Amphenol Corporation, Defense Logistics Agency |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.344 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.219 INCHES NOMINAL |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.312 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.188 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.297 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.625 INCHES NOMINAL |
| ABMM | SPLIT KEY LENGTH | 0.125 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 30.0 DEGREES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 30.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400-3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-638-0206, 5310006380206 | ||||
| 5340-01-128-5602 (5340011285602) | 5306-01-598-2806 (5306015982806) | 5306-00-660-2761 (5306006602761) | 5310-01-632-4360 (5310016324360) | |
| 5365-00-003-1724 (5365000031724) | 5305-01-246-0089 (5305012460089) | 5310-00-052-8840 (5310000528840) | 5310-00-016-5834 (5310000165834) | |
| 5330-00-477-2508 (5330004772508) | 5310-00-424-2018 (5310004242018) | 5325-00-349-3151 (5325003493151) | 5365-01-613-0724 (5365016130724) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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