NSN 5305-00-347-7830

Part Details | CLOSE TOLERANCE SCREW

5305-00-347-7830 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: LS15265V45, LS15265V4-5, LS15265V45, LS15265V4-5, LS15265V45, LS15265V4-5, LS15265V45, LS15265V4-5, LS15265V45, LS15265V4-5, LS15265V45, LS15265V4-5, LS15265V45, LS15265V4-5, 5305-00-347-7830, 00-347-7830, 5305003477830, 003477830

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 24, 197400-347-783029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-347-7830
Part Number Cage Code Manufacturer
LS15265V4-592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
LS15265V4-506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LS15265V4-598897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
LS15265V4-556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
LS15265V4-506725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
LS15265V4-527624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
LS15265V4-506710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-00-347-7830
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
FASTENER LENGTH0.613 INCHES MINIMUM AND 0.643 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.2481 INCHES MINIMUM AND 0.2487 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT