NSN 5305-01-285-2753

Part Details | CLOSE TOLERANCE SCREW

5305-01-285-2753 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: HT4069420A, HT4069-4-20A, HT4069420A, HT4069-4-20A, 3M9274L20, 3M927-4L20, 3M9264L20, 3M926-4L20, 3M9274L20, 3M927-4L20, 3M9274L20, 3M927-4L20, 3M9274L20, 3M927-4L20, 3M274L20, 3M27-4L20, HT4068420A, HT4068-4-20A, HT4069420A, HT4069-4-20A, 3M9274L20, 3M927-4L20, HT4069420A, HT4069-4-20A, 3M274L20, 3M27-4L20, HT4096420A, HT4096-4-20A, HT4068420A, HT4068-4-20A, 3M9274L20, 3M927-4L20, HT4069420A, HT4069-4-20A, 118854L20, 11885-4L20, 118834L20, 11883-4L20, 3M9274L20, 3M927-4L20, 3M274L20, 3M27-4L20, HT4069420A, HT4069-4-20A, HT4069420A, HT4069-4-20A, HT4068420A, HT4068-4-20A, HT4069420A, HT4069-4-20A, HT4069420A, HT4069-4-20A, HT4069420A, HT4069-4-20A, 3M274L20, 3M27-4L20, HT4096420A, HT4096-4-20A, HT4069420A, HT4069-4-20A, HT4096420A, HT4096-4-20A, 3M9274L20, 3M927-4L20, 3M9274L20, 3M927-4L20, 3M274L20, 3M27-4L20, WC4069420, WC4069-4-20, 5305-01-285-2753, 01-285-2753, 5305012852753, 012852753

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 10, 198801-285-275329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HIGH-TORQUE

Cross Reference | NSN 5305-01-285-2753
Part Number Cage Code Manufacturer
HT4069-4-20A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4069-4-20A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M927-4L2076301BOEING COMPANY, THEDBA BOEING
3M926-4L2076301BOEING COMPANY, THEDBA BOEING
3M927-4L204WL75CAMCAR LLCDIV CAMCAR LLC
3M927-4L2058998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
3M927-4L200ZC92HEARTLAND PRECISION FASTENERS, INC.
3M27-4L200ZC92HEARTLAND PRECISION FASTENERS, INC.
HT4068-4-20A73197HI-SHEAR CORPORATION
HT4069-4-20A73197HI-SHEAR CORPORATION
3M927-4L201VSL7HOUSTON PRECISION FASTENERS I, LP
HT4069-4-20A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
3M27-4L2017446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4096-4-20A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4068-4-20A97928HUCK INTL INC
3M927-4L20U6683LINREAD LTDDBA LINREAD NORTHBRIDGE
HT4069-4-20AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11885-4L2059563REID PRODUCTS INC.DBA REID PRODUCTS
11883-4L2059563REID PRODUCTS INC.DBA REID PRODUCTS
3M927-4L200K6Z0SATURN FASTENERS INCDIV ACUMENT
3M27-4L200K6Z0SATURN FASTENERS INCDIV ACUMENT
HT4069-4-20A0PTK6SPS TECHNOLOGIES INC
HT4069-4-20AK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4068-4-20A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4069-4-20A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4069-4-20A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4069-4-20A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
3M27-4L2006725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
HT4096-4-20A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
HT4069-4-20A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
HT4096-4-20A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
3M927-4L20007R1TWIST TITE MFG, INC
3M927-4L2006710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
3M27-4L2006710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
WC4069-4-2060516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-285-2753
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 LENGTH1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE6 CROWNED HEXAGON
HEAD DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
HEAD HEIGHT0.015 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
FEATURES PROVIDED CETYL ALCOHOL LUBRICANT