NSN 5305-01-081-3105

Part Details | CLOSE TOLERANCE SCREW

5305-01-081-3105 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: SC1779890, SC1779-8-90, HT8171890, HT8171-8-90, HR204890, HR204-8-90, H148890, H148-8-90, H148890, H148-8-90, HR204890, HR204-8-90, GB510CE890, GB510CE8-90, GB510BC890, GB510BC8-90, 106706H8A90, 106706H-8-A90, GB510CE890, GB510CE8-90, 106706T890, 106706T-8-90, 106706H8A90, 106706H-8-A90, PBF1202890, PBF1202-8-90, 5305-01-081-3105, 01-081-3105, 5305010813105, 010813105

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 11, 197901-081-310529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-081-3105
Part Number Cage Code Manufacturer
SC1779-8-9006950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT8171-8-9092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HR204-8-9073197HI-SHEAR CORPORATION
H148-8-9017446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
H148-8-9097928HUCK INTL INC
HR204-8-90L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
GB510CE8-9026512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
GB510BC8-9026512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
106706H-8-A9056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
GB510CE8-9056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
106706T-8-9080539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
106706H-8-A9080539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
PBF1202-8-9027624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-081-3105
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.735 INCHES MINIMUM AND 0.802 INCHES MAXIMUM
FASTENER LENGTH6.370 INCHES MINIMUM AND 6.417 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.950 INCHES MINIMUM AND 1.017 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH5.615 INCHES MINIMUM AND 5.635 INCHES MAXIMUM
GRIP DIAMETER0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM