| Item Name | Insulator,Washer |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5970 Electrical Insulators and Insulating Materials |
| National Item Identification Number (NIIN) | 00-177-6221 (001776221) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 4.500 INCHES MINIMUM AND 4.505 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 6.177 INCHES MINIMUM AND 6.197 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.421 INCHES NOMINAL |
| CQBS | FIRST KEY WIDTH | 5.005 INCHES MINIMUM AND 5.010 INCHES MAXIMUM |
| CRBF | FIRST KEY THICKNESS | 0.438 INCHES NOMINAL |
| MTLC | MATERIAL AND LOCATION | OVERALL POLYAMIDE NYLON |
| STYL | STYLE DESIGNATOR | ROUND,FLAT |
| Relevant Components for NSN - 5970-00-177-6221, 5970001776221 | ||||
| 5975-01-629-6429 (5975016296429) | 5998-01-305-2341 (5998013052341) | 5930-01-584-0809 (5930015840809) | 5962-01-210-3065 (5962012103065) | |
| 5905-00-175-4284 (5905001754284) | 5950-01-458-0903 (5950014580903) | 5920-01-490-0904 (5920014900904) | 5998-01-475-9891 (5998014759891) | |
| 5995-01-575-7529 (5995015757529) | 5962-01-310-7304 (5962013107304) | 5935-01-240-1468 (5935012401468) | 5995-01-374-0247 (5995013740247) | |
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