| MATERIAL | STEEL COMP 303 OR |
| STEEL COMP 303SE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AAMS 5640, TY 1 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | LOCKED IN |
| DISTANCE FROM END OF STUD END THREADS TO NUT END | 0.822 INCHES MINIMUM AND |
| 0.842 INCHES MAXIMUM |
| OVERALL LENGTH | 1.125 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| UNC STUD THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| 0.4375 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| 2A STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| 14 STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.440 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM NUT THREAD |
| 0.360 INCHES MINIMUM AND |
| 0.390 INCHES MAXIMUM STUD THREAD |
| LOCKING FEATURE | KEY INSERTS |
| SPECIFICATION/STANDARD DATA | 80205-NASM51834 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STUD, LOCKED IN, KEY-LOXKED, HEAVY DUTY |