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National Stock Number:
5306-01-188-1653
Federal Supply Class:
5306
National Item Identification Number:
011881653
Description:
BOLT,INTERNAL WRENCHING
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.
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Manufacturer Information:
| 247E207-14 (SH 3-REV S) | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 11.120 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 13.840 INCHES MINIMUM AND 13.900 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 1.663 INCHES MINIMUM AND 1.666 INCHES MAXIMUM | | HEAD DIAMETER | 2.480 INCHES MINIMUM AND 2.493 INCHES MAXIMUM | | HEAD HEIGHT | 1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 1.750 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +1.7327 TO 1.7402 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SURFACE TREATMENT | CHROMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.720 INCHES MINIMUM AND 2.780 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | ACME | | WIDTH ACROSS FLATS | 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
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