NSN 5305-01-195-7908

Part Details | CLOSE TOLERANCE SCREW

5305-01-195-7908 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: SC1786TV408, SC1786TV4-08, LE11100410408, LE111-0041-0408, T1810408, T181-0408, T1810408, T181-0408, S1110920408, S11-1092-0408, 123179V4T08, AIC4040V408, AIC4040V4-08, PBF13830408, PBF1383-0408, 5305-01-195-7908, 01-195-7908, 5305011957908, 011957908

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 03, 198401-195-790829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-195-7908
Part Number Cage Code Manufacturer
SC1786TV4-0806950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LE111-0041-040843999BOEING COMPANY, THEDBA BOEING
T181-040817446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
T181-040897928HUCK INTL INC
S11-1092-040857928SONIC INDUSTRIES INC.
123179V4T0880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC4040V4-0806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1383-040827624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-195-7908
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
FASTENER LENGTH0.910 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH
HEAD STYLE5 HEXAGON COUNTERSUNK
HEAD DIAMETER0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM
HEAD HEIGHT0.054 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM