NSN 5305-01-146-6143

Part Details | CLOSE TOLERANCE SCREW

5305-01-146-6143 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: HT4041497, HT4041-4-9-7, HT4041497, HT4041-4-9-7, 3M707497, 3M707-4-9-7, 3M707497, 3M707-4-9-7, HT4041497, HT4041-4-9-7, HT4041497, HT4041-4-9-7, HT4041497, HT4041-4-9-7, 10115432, 11873497, 11873-4-9-7, 3M707497, 3M707-4-9-7, HT4041497, HT4041-4-9-7, HT4041497, HT4041-4-9-7, WC4041497, WC4041-4-9-7, 5305-01-146-6143, 01-146-6143, 5305011466143, 011466143

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 03, 198301-146-614329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-146-6143
Part Number Cage Code Manufacturer
HT4041-4-9-792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4041-4-9-706950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M707-4-9-776301BOEING COMPANY, THEDBA BOEING
3M707-4-9-758998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4041-4-9-773197HI-SHEAR CORPORATION
HT4041-4-9-717446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4041-4-9-7L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
10115432A486GNIMIKKEISTOKESKUS NCB FINLAND
11873-4-9-759563REID PRODUCTS INC.DBA REID PRODUCTS
3M707-4-9-7K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4041-4-9-756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4041-4-9-780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
WC4041-4-9-760516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-146-6143
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.413 INCHES MINIMUM AND 0.463 INCHES MAXIMUM
FASTENER LENGTH0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM