NSN 5305-01-386-3680

Part Details | CLOSE TOLERANCE SCREW

5305-01-386-3680 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.

Alternate Parts: NAS11539, NAS1153-9, 5305-01-386-3680, 01-386-3680, 5305013863680, 013863680

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 03, 199401-386-368029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-01-386-3680
Part Number Cage Code Manufacturer
NAS1153-980205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-386-3680
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD LENGTH0.276 INCHES NOMINAL
GRIP LENGTH0.838 INCHES NOMINAL
GRIP DIAMETER0.562 INCHES NOMINAL
SPECIAL FEATURESMACHINE-FLAT 100 DEG HEAD; SHORT THREAD; TORQ-SET; ALLOY STEEL; 160 TO 190 KSI UTS; CADMIUM PLATED PER QQ-P-416, TYPE II, CLASS 2; SHALL BE IN ACCORDANCE WITH ALL REQUIREMENTS AS SPECIFIED IN NATIONAL AEROSPACE STANDARD NAS1151 THRU 1158