NSN 5305-01-103-8820

Part Details | CLOSE TOLERANCE SCREW

5305-01-103-8820 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: HT406849A, HT4068-4-9A, 3M9264L9, 3M926-4L9, 3M92649, 3M926-4-9, 3M9264L9, 3M926-4L9, 3M9264L9, 3M926-4L9, 3M9264L9, 3M926-4L9, HT406849A, HT4068-4-9A, 3M9264L9, 3M926-4L9, 3M9264L9, 3M926-4L9, HT406849A, HT4068-4-9A, 3M9264L9, 3M926-4L9, HT406849A, HT4068-4-9A, 1188349118834L9, 11883-4-9/11883-4L9, 118834L9, 11883-4L9, 3M9264L9, 3M926-4L9, HT406849A, HT4068-4-9A, 3M9264L9, 3M926-4L9, HT406849A, HT4068-4-9A, 3M9264L9, 3M926-4L9, HT406849A, HT4068-4-9A, HT406849A, HT4068-4-9A, 3M9264L9, 3M926-4L9, 3M9264L9, 3M926-4L9, WC406849, WC4068-4-9, 3M9264L9, 3M926-4L9, 5305-01-103-8820, 01-103-8820, 5305011038820, 011038820

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 22, 198001-103-882029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-103-8820
Part Number Cage Code Manufacturer
HT4068-4-9A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M926-4L976301BOEING COMPANY, THEDBA BOEING
3M926-4-976301BOEING COMPANY, THEDBA BOEING
3M926-4L958998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
3M926-4L909650FLEET MFG CO INC
3M926-4L90ZC92HEARTLAND PRECISION FASTENERS, INC.
HT4068-4-9A73197HI-SHEAR CORPORATION
3M926-4L973197HI-SHEAR CORPORATION
3M926-4L91VSL7HOUSTON PRECISION FASTENERS I, LP
HT4068-4-9A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
3M926-4L917446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4068-4-9AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11883-4-9/11883-4L959563REID PRODUCTS INC.DBA REID PRODUCTS
11883-4L959563REID PRODUCTS INC.DBA REID PRODUCTS
3M926-4L9K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4068-4-9A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
3M926-4L956878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4068-4-9A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
3M926-4L980539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4068-4-9A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
HT4068-4-9A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
3M926-4L9007R1TWIST TITE MFG, INC
3M926-4L906710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
WC4068-4-960516WEST COAST AEROSPACE INC
3M926-4L960516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-103-8820
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
FASTENER LENGTH1.016 INCHES MINIMUM AND 1.046 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM
COUNTERSINK ANGLE101.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM