5360-00-004-3467 SPRING,HELICAL,EXTENSION Index 5330-00-004-3469 SEAL,OIL

National Stock Number:
5305-00-004-3468

Federal Supply Class:
5305

National Item Identification Number:
000043468

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:
7S37J6-943999THE BOEING COMPANY


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.808 INCHES MINIMUM AND 0.858 INCHES MAXIMUM FIRST HOLE
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
HEAD DIAMETER0.527 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATIONH-11 HB0160-001 TY 1,FSCM 51215 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONLA0109-005,FSC-51215 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL AND ZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.366 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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