NSN 5305-01-047-6247

Part Details | CLOSE TOLERANCE SCREW

5305-01-047-6247 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: CA2658447, CA2658-4-47, CA26300447, CA2630-0447, AS169447, AS169-4-47, AS1080447, AS108-04-47, MS3369B447, MS3369B447, GB511AE447, GB511AE4-47, VP1119447, VP1119-4-47, 5305-01-047-6247, 01-047-6247, 5305010476247, 010476247

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 12, 197701-047-624729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-047-6247
Part Number Cage Code Manufacturer
CA2658-4-4729372ARCONIC GLOBAL FASTENERS & RINGS,INC.
CA2630-044729372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS169-4-4784256AVIBANK MFG., INC.
AS108-04-4784256AVIBANK MFG., INC.
MS3369B44796906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS3369B44780205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
GB511AE4-4726512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
VP1119-4-4792212VINING INDUSTRIES INC
Technical Data | NSN 5305-01-047-6247
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.277 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
FASTENER LENGTH3.356 INCHES MINIMUM AND 3.376 INCHES MAXIMUM
HEAD STYLE CROWNED HEXAGON
HEAD HEIGHT0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
GRIP LENGTH2.938 INCHES MINIMUM AND 2.954 INCHES MAXIMUM
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
SPECIAL FEATURESRETAINING ELEMENT IN SHANK