5305-01-267-9290 SCREW,CAP,HEXAGON HEAD Index 5910-01-267-9292 CAPACITOR,FIXED,GLASS DIELECTRIC

National Stock Number:
5305-01-267-9291

Federal Supply Class:
5305

National Item Identification Number:
012679291

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:
HT4075D4-7-2106950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4075D4-7-2117446HUCK INTERNATIONAL, INC
HT4075D4-7-2156878SPS TECHNOLOGIES, LLC
HT4075D4-7-2173197HI-SHEAR CORPORATION
HT4075D4-7-2180539SPS TECHNOLOGIES, LLC
HT4075D4-7-2192215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4075D4-7-2197928HUCK INTL INC
HT4075D4-7-21L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.890 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP DIAMETER0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
GRIP LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 UNS S13800 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIFICATION/STANDARD DATA73197-HT4075 MANUFACTURERS STANDARD
SPECIAL FEATURESTHD HOLE IN HD 0.138-32 UNJC-3B; DIST FM TOP OF HD TO INJECTION PORT 0.210 IN. INJECTION PORT 0.120 IN. LG BY 0.060 IN. W
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.453 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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