NSN 5305-01-288-6578

Part Details | CLOSE TOLERANCE SCREW

5305-01-288-6578 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: VT1696629, VT1696-6-29, VT1696629, VT1696-6-29, SC1776629, SC1776-6-29, C9535629, C9535-6-29, 121754629, 121754-6-29, 121754629, 121754-6-29, AIC9535629, AIC9535-6-29, PBF1198629, PBF1198-6-29, 5305-01-288-6578, 01-288-6578, 5305012886578, 012886578

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 11, 198801-288-657829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-288-6578
Part Number Cage Code Manufacturer
VT1696-6-2992215ARCONIC GLOBAL FASTENERS & RINGS,INC.
VT1696-6-2906950ARCONIC GLOBAL FASTENERS & RINGS,INC.
SC1776-6-2906950ARCONIC GLOBAL FASTENERS & RINGS,INC.
C9535-6-2981755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
121754-6-2956878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
121754-6-2980539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC9535-6-2906725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1198-6-2927624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-288-6578
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.560 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
FASTENER LENGTH2.382 INCHES MINIMUM AND 2.412 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.525 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM