5305-01-316-1461 SCREW,CAP,HEXAGON HEAD Index 5910-01-316-1463 CAPACITOR,FIXED,METALLIZED,PAPER

National Stock Number:
5305-01-316-1462

Federal Supply Class:
5305

National Item Identification Number:
013161462

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:
SS5112-40816258SPACE-LOK, INC.
SS5112-40873197HI-SHEAR CORPORATION
SS5112-40878286SIKORSKY AIRCRAFT CORPORATION
SS5112-40884256AVIBANK MFG., INC.
SS5112-408L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.833 INCHES MINIMUM AND 0.849 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH0.918 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
GRIP LENGTH0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM LOCKING FEATURE
HEAD HEIGHT0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD STYLECROWNED HEXAGON
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREDETENT BALL GRIP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
MATERIALSTEEL COMP 440C LOCKING FEATURE
MATERIALSTEEL COMP XM-13 FASTENER
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURESFURNISHED WITH PLUNGER,SPRING AND BALLS; PLUNGER PH13-8MO AMS 5629; SPRING AMS 5678,17-7 OR QQ-W-423,302 CONDITION B; PLUNGER PASSIVATE PER QQ-P-35; SPRING NON-METALLIC ABRASIVE BLAST CLEANING OR PASSIVATE PER QQ-P-35 FOR 302; USED IN CRITICAL APPLICATION
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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