NSN 5305-01-054-2530

Part Details | CLOSE TOLERANCE SCREW

5305-01-054-2530 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: BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, BACB30LU49, BACB30LU4-9, 5305-01-054-2530, 01-054-2530, 5305010542530, 010542530

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 17, 197801-054-253029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-054-2530
Part Number Cage Code Manufacturer
BACB30LU4-906950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LU4-992215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LU4-917943FEDERAL MANUFACTURING CORPORATION
BACB30LU4-917446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30LU4-997928HUCK INTL INC
BACB30LU4-957928SONIC INDUSTRIES INC.
BACB30LU4-980539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30LU4-906725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30LU4-927624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30LU4-981205THE BOEING COMPANYDBA BOEING
BACB30LU4-906710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30LU4-99N513VOI-SHAN/CHATSWORTHDIV OF VSI CORP
BACB30LU4-997982WESTERN COIL PRODUCTS CO INC
Technical Data | NSN 5305-01-054-2530
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 LENGTH0.972 INCHES MINIMUM AND 1.002 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.455 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM