NSN 5305-01-051-1761

Part Details | CLOSE TOLERANCE SCREW

5305-01-051-1761 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: VT1696618, VT1696-6-18, SC1776618, SC1776-6-18, C9535618, C9535-6-18, 121754618, 121754-6-18, 121754618, 121754-6-18, C9535618, C9535-6-18, AIC9535618, AIC9535-6-18, PBF1198618, PBF1198-6-18, 5305-01-051-1761, 01-051-1761, 5305010511761, 010511761

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 25, 197701-051-176129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-051-1761
Part Number Cage Code Manufacturer
VT1696-6-1892215ARCONIC GLOBAL FASTENERS & RINGS,INC.
SC1776-6-1806950ARCONIC GLOBAL FASTENERS & RINGS,INC.
C9535-6-1881755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
121754-6-1856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
121754-6-1880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
C9535-6-1806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC9535-6-1806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1198-6-1827624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-051-1761
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.555 INCHES MINIMUM AND 0.585 INCHES MAXIMUM
FASTENER LENGTH1.670 INCHES MINIMUM AND 1.720 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
HEAD HEIGHT0.167 INCHES NOMINAL
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
SPECIAL FEATURESBEARING SURFACE OF HEAD TO BE 99.0 DEGREE TO 101.0 DEGREE INCLUDED ANGLE AND BY 0.075 IN. LONG