THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.440 INCHES MINIMUM AND |
| 0.460 INCHES MAXIMUM |
FASTENER LENGTH | 3.460 INCHES MINIMUM AND |
| 3.480 INCHES MAXIMUM |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | M3603,FSCM 91547 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | SILVER OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.180 INCHES MINIMUM AND |
| 0.200 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND |
| 0.502 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
FIRST DIAMETER FROM HEAD | 0.311 INCHES MINIMUM AND |
| 0.313 INCHES MAXIMUM |
SECOND DIAMETER FROM HEAD | 0.253 INCHES MINIMUM AND |
| 0.258 INCHES MAXIMUM |
THIRD DIAMETER FROM HEAD | 0.311 INCHES MINIMUM AND |
| 0.313 INCHES MAXIMUM |
FOURTH DIAMETER FROM HEAD | 0.253 INCHES MINIMUM AND |
| 0.258 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.240 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.520 INCHES MINIMUM AND |
| 1.540 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.720 INCHES MINIMUM AND |
| 1.740 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.010 INCHES MINIMUM AND |
| 3.030 INCHES MAXIMUM |
TEST DATA DOCUMENT | P6808-P-191547 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
PRECIOUS MATERIAL | SILVER |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 99193 |
DESIGN CONTROL REFERENCE | 2-121-026-04 |