NSN 5305-01-387-3755

Part Details | CLOSE TOLERANCE SCREW

5305-01-387-3755 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: SC3103663, SC3103-6-63, HR239663, HR239-6-63, E008663, E008-6-63, E008663, E008-6-63, BF0015HC3663, BF0015HC3-6-63, HR239663, HR239-6-63, 03A173663, 03A173-6-63, 03A173663, 03A173-6-63, SLB216663, SLB216-6-63, 123742663, 123742-6-63, AIC1651663, AIC1651-6-63, PBF1416663, PBF1416-6-63, 5305-01-387-3755, 01-387-3755, 5305013873755, 013873755

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 03, 199401-387-375529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-387-3755
Part Number Cage Code Manufacturer
SC3103-6-6306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HR239-6-6373197HI-SHEAR CORPORATION
E008-6-6317446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
E008-6-6397928HUCK INTL INC
BF0015HC3-6-6362384LFC INDUSTRIES INC.
HR239-6-63L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
03A173-6-6376823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
03A173-6-631W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
SLB216-6-6316258SPACE-LOK, INC.
123742-6-6380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC1651-6-6306725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1416-6-6327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-387-3755
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.578 INCHES NOMINAL
FASTENER LENGTH4.501 INCHES MINIMUM AND 4.531 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.704 INCHES MINIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH3.928 INCHES MINIMUM AND 3.948 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM