| COLLAR INSIDE DIAMETER | 0.333 INCHES NOMINAL |
| COLLAR OUTSIDE DIAMETER | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.540 INCHES NOMINAL |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| FEATURES PROVIDED | WASHER |
| HEAT TREATMENT | H-1025 STRAIN HARDENED WASHER |
| LUBRICATION | SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5520 ASSN STD 3RD MATERIAL RESPONSE WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE COLLAR |
| MATERIAL | STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 WASHER |
| MATERIAL | STEEL COMP 303SE BODY |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SPECIAL FEATURES | FOR WASHER MATERIAL 17-7PH AND 15-7MO HEAT TREAT TH1050 PER MIL-H-6875 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |