5306-01-288-9154 BOLT,CLOSE TOLERANCE Index 5305-01-288-9156 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-288-9155

Federal Supply Class:
5305

National Item Identification Number:
012889155

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:
121754-6-1680539SPS TECHNOLOGIES, LLC
5305PL07848659009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AIC9535-6-1606725SPS TECHNOLOGIES, LLC
C9535-6-161GP79PILGRIM SCREW CORP
PBF1198-6-1627624SPS TECHNOLOGIES LLC
C9535-6-1681755LOCKHEED MARTIN CORPORATION
SF120-6-160K6Z0SATURN FASTENERS INC
VT1696-6-1692215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.570 INCHES MINIMUM AND 1.600 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
HEAD DIAMETER0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.510 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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