5305-01-604-0726 SCREW,CLOSE TOLERANCE 5305-01-603-1175 SCREW,DRIVE

National Stock Number:
5305-01-604-2872

Federal Supply Class:
5305

National Item Identification Number:
016042872

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
3M1277E4D14A76301THE BOEING COMPANY
TX1027E4D14XA06725SPS TECHNOLOGIES, LLC
TX1027E4D14XA06950HOWMET GLOBAL FASTENING SYSTEMS INC
TX1027E4D14XA27624SPS TECHNOLOGIES LLC
TX1027E4D14XA56878SPS TECHNOLOGIES, LLC
TX1027E4D14XA73197HI-SHEAR CORPORATION
TX1027E4D14XA80539SPS TECHNOLOGIES, LLC


Techincal Specification:
COUNTERSINK ANGLE99.00 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.285 INCHES MINIMUM AND 1.315 INCHES MAXIMUM
FEATURES PROVIDEDCETYL ALCOHOL LUBRICANT
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM
HEAD HEIGHT0.057 INCHES NOMINAL
HEAD DIAMETER0.3859 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM
HEAD INSIDE DIAMETER0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLETORX
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,100DEG REDUCED HEAD,GEAR DRIVE RECESS,INCONEL 718(125KSI SHEAR),0.0156 INCH OVERSIZE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5662 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESPASSIVATE PLUS CETYL ALCOHOL PER MIL-L-87132,TYPE 1,GRADE B.SEE TECH DATA FOR ALL INFO ABOUT FINISH AND ANY OTHER ADDITIONAL DETAILS
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
SPLINE MAJOR DIAMETER0.1100 INCHES MINIMUM AND 0.1120 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-87132 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.41 INCHES MINIMUM AND 0.44 INCHES MAXIMUM


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