| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 8630 OR |
| STEEL COMP 4037 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6280 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS6300 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 38.0 ROCKWELL C MAXIMUM |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER OUTSIDE DIAMETER | 1.250 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.786 INCHES MAXIMUM |
| WASHER THICKNESS | 0.183 INCHES MINIMUM |
| WIDTH ACROSS FLATS | 0.928 INCHES MINIMUM AND |
| 0.940 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| TEMP RATING | 600.0 DEG FAHRENHEIT MAXIMUM |
| SPECIAL FEATURES | MAGNETIC PARTICLE INSPECT 100% PER ASTM E 1444. ACCEPTANCE CRITERIA PER SPS-1-700, LEVEL 11. SATISFACTORY PARTS TO BE DYED GREEN AND MARKED WITH PART NUMBER 65-10600-49. TENSILE STRENGTH 71,200 LBS MINIMUM. LOCKING TORQUE PER MIL-N-25027 |
| PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACE SILVER |