NSN 5305-00-685-2539

Part Details | CLOSE TOLERANCE SCREW

5305-00-685-2539 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: LS936112032, LS9361-1203-2, NAS498, NAS12032, NAS1203-2, GB510BB32, GB510BB3-2, NKN12032, NKN1203-2, NKN12032, NKN1203-2, 5305-00-685-2539, 00-685-2539, 5305006852539, 006852539

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-685-253929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-685-2539
Part Number Cage Code Manufacturer
LS9361-1203-298897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
NAS49880205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS1203-280205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
GB510BB3-226512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
NKN1203-226233NYLOK CORPORATIONDBA NYLOK WESTERN FASTENER
NKN1203-202615NYLOK FASTENER CORP
Technical Data | NSN 5305-00-685-2539
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
FASTENER LENGTH0.386 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1203 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD