NSN 5305-01-136-5748

Part Details | CLOSE TOLERANCE SCREW

5305-01-136-5748 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: HT4025L45, HT4025L4-5, HT4025L45, HT4025L4-5, ST3M4544L5, ST3M454-4L5, ST3M4544L5, ST3M454-4L5, HT4025L45, HT4025L4-5, HT4025L45, HT4025L4-5, HT4025L45, HT4025L4-5, HT4025L45, HT4025L4-5, 10115382, 119054L5, 11905-4L5, ST3M4544L5, ST3M454-4L5, HT4025L45, HT4025L4-5, ST3M4544L5, ST3M454-4L5, WC4025L45, WC4025L-4-5, 5305-01-136-5748, 01-136-5748, 5305011365748, 011365748

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 11, 198201-136-574829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-136-5748
Part Number Cage Code Manufacturer
HT4025L4-592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L4-506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-4L576301BOEING COMPANY, THEDBA BOEING
ST3M454-4L558998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4025L4-573197HI-SHEAR CORPORATION
HT4025L4-517446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4025L4-597928HUCK INTL INC
HT4025L4-5L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
10115382A486GNIMIKKEISTOKESKUS NCB FINLAND
11905-4L559563REID PRODUCTS INC.DBA REID PRODUCTS
ST3M454-4L5K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4025L4-580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ST3M454-4L5007R1TWIST TITE MFG, INC
WC4025L-4-560516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-136-5748
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 LENGTH0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM