| Item Name | Insulator Knob |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5970 Electrical Insulators and Insulating Materials |
| National Item Identification Number (NIIN) | 00-178-1188 (001781188) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 UNTHREADED HOLE |
| CQBX | SECOND DISTANCE FROM CONDUCTOR SLOT TO OPPOSITE SURFACE | 1.250 INCHES NOMINAL |
| CRQT | DISTANCE BETWEEN CONDUCTOR GROOVE AND MOUNTING HOLE | 0.250 INCHES MINIMUM |
| CRWN | FIRST DISTANCE FROM CONDUCTOR SLOT TO OPPOSITE SURFACE | 0.688 INCHES NOMINAL |
| MTLC | MATERIAL AND LOCATION | OVERALL PORCELAIN |
| STLC | SURFACE TREATMENT AND LOCATION | OVERALL GLAZED |
| STYL | STYLE DESIGNATOR | CYLINDRICAL,SPLIT |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 CLASS AND 4 SIZE AND III TYPE |
| ABKV | OUTSIDE DIAMETER | 1.500 INCHES MINIMUM |
| ABTB | MOUNTING HOLE DIAMETER | 0.250 INCHES NOMINAL |
| Relevant Components for NSN - 5970-00-178-1188, 5970001781188 | ||||
| 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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