| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-493 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A-493 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-A-493 ASSN STD 3RD MATERIAL RESPONSE OR ASTM-A-493 ASSN STD 4TH MATERIAL RESPONSE OR ASTM-A-493 ASSN STD 5TH MATERIAL RESPONSE FLANGE |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 FLANGE |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT HEIGHT | 0.278 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| NUT STYLE | SPLINE (FLOATING) |
| NUT LENGTH | 0.635 INCHES MINIMUM AND 0.665 INCHES MAXIMUM |
| PILOT DIAMETER | 0.300 INCHES NOMINAL |
| PILOT LENGTH | 0.223 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.450 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE FLANGE |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FLANGE |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |