| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC NYLON LOCKING INSERT |
| NICKEL AND |
| COPPER ALLOY NUT |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | NYLON INSERT |
| BEARING SURFACE TYPE | CHAMFERED |
| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.50 INCHES |
| THREAD QUANTITY PER INCH | 8 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066,GROUP 01, CL 1, GR 1 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE LOCKING INSERT |
| QQ-N-281 CL A OR B FED SPEC SINGLE MATERIAL RESPONSE OR |
| ASTM F467 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE NUT |
| NUT HEIGHT | 1.578 INCHES MINIMUM AND |
| 1.640 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 2.159 INCHES MINIMUM AND |
| 2.200 INCHES MAXIMUM |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-NASM17828 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING, HEXAGON REGULAR-HEIGHT, (NON-METALLIC INSERT) 250 F R 450 F,NICKEL-COPPER ALLOY |