NSN 5305-01-241-3975

Part Details | CLOSE TOLERANCE SCREW

5305-01-241-3975 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: ST3M4546DL12, ST3M454-6DL12, HT4025L6D12, ST3M4546DL12, ST3M454-6DL12, HT4025L6D12, HT4025L6D12, HT4025L6D12, ST3M4546DL12, ST3M454-6DL12, HT4025L6D12, 10113575, 119056DL12, 11905-6DL12, HT4025L6D12, WC4025L6D12, ST3M4546DL12, ST3M454-6DL12, 5305-01-241-3975, 01-241-3975, 5305012413975, 012413975

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 25, 198601-241-397529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-241-3975
Part Number Cage Code Manufacturer
ST3M454-6DL1206950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L6D1292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-6DL1276301BOEING COMPANY, THEDBA BOEING
HT4025L6D1273197HI-SHEAR CORPORATION
HT4025L6D1217446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4025L6D1297928HUCK INTL INC
ST3M454-6DL1258988KARG CORP
HT4025L6D12L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
10113575A486GNIMIKKEISTOKESKUS NCB FINLAND
11905-6DL1259563REID PRODUCTS INC.DBA REID PRODUCTS
HT4025L6D1280539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
WC4025L6D1260516WEST COAST AEROSPACE INC
ST3M454-6DL1260516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-241-3975
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
FASTENER LENGTH1.376 INCHES MINIMUM AND 1.406 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
GRIP DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM