NSN 5305-01-413-8481

Part Details | CLOSE TOLERANCE SCREW

5305-01-413-8481 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: GB510FG433, GB510FG4-33, GB510FG433, GB510FG4-33, GB510FG433, GB510FG4-33, 124379433, 124379-4-33, GB510FG433, GB510FG4-33, PBF1475433, PBF1475-4-33, VCL0009433, VCL0009-4-33, 5305-01-413-8481, 01-413-8481, 5305014138481, 014138481

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 24, 199501-413-848129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-413-8481
Part Number Cage Code Manufacturer
GB510FG4-3316512ABELCONN LLC
GB510FG4-3366886ABELCONN, LLC
GB510FG4-3326512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
124379-4-3356878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
GB510FG4-3380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
PBF1475-4-3327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
VCL0009-4-3306710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-01-413-8481
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.425 INCHES NOMINAL
FASTENER LENGTH2.482 INCHES MINIMUM AND 2.509 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.464 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE5 CROSS RECESS TYPE II
GRIP LENGTH2.053 INCHES MINIMUM AND 2.073 INCHES MAXIMUM
GRIP DIAMETER0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM