NSN 5305-01-168-1202

Part Details | CLOSE TOLERANCE SCREW

5305-01-168-1202 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: SC1786RV46, SC1786RV4-6, LE11100412406, LE111-0041-2406, T1812406, T181-2406, T1812406, T181-2406, NAS1767V46, NAS1767V4-6, PBF13832406, PBF1383-2406, LE11100412406, LE111-0041-2406, 123179V4R6, LE11100412406, LE111-0041-2406, AIC4040V46, AIC4040V4-6, PBF13832406, PBF1383-2406, 5305-01-168-1202, 01-168-1202, 5305011681202, 011681202

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 13, 198301-168-120229294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-168-1202
Part Number Cage Code Manufacturer
SC1786RV4-606950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LE111-0041-240643999BOEING COMPANY, THEDBA BOEING
T181-240617446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
T181-240697928HUCK INTL INC
NAS1767V4-680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
PBF1383-240657928SONIC INDUSTRIES INC.
LE111-0041-24060PTK6SPS TECHNOLOGIES INC
123179V4R680539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
LE111-0041-240606725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC4040V4-606725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1383-240627624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-168-1202
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
FASTENER LENGTH0.785 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.375 INCHES NOMINAL
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM