| MATERIAL | ALUMINUM ALLOY 2024 BODY |
| STEEL COMP 630 OR |
| STEEL COMP 631 OR |
| STEEL COMP 632 WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE COLLAR |
| AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS 5520 ASSN STD 3RD MATERIAL RESPONSE WASHER |
| SURFACE TREATMENT | ANODIZE COLLAR |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED COLLAR |
| H-1025 STRAIN HARDENED WASHER |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| COLLAR OUTSIDE DIAMETER | 0.465 INCHES MINIMUM AND |
| 0.475 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.570 INCHES NOMINAL |
| COLLAR INSIDE DIAMETER | 0.270 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 28 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| IDENTIFICATION CODE COLOR | RED |
| FEATURES PROVIDED | WASHER |
| SPECIAL FEATURES | WASHER MATERIAL 17-7PH AND 15-7MO HEAT TREAT TO TH1050 PER MIL-H-6875; WASHER HAS SOLID FILM LUBE |