NSN 5305-01-347-4022

Part Details | CLOSE TOLERANCE SCREW

5305-01-347-4022 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: ST3M430V410ASM, ST3M430V4-10ASM, ST3M430V410ASM, ST3M430V4-10ASM, HT271A410M, HT271A4-10M, HT271A410M, HT271A4-10M, ST3M430V410ASM, ST3M430V4-10ASM, ST3M430V410ASM, ST3M430V4-10ASM, 5305-01-347-4022, 01-347-4022, 5305013474022, 013474022

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 21, 199101-347-402229294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-347-4022
Part Number Cage Code Manufacturer
ST3M430V4-10ASM92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M430V4-10ASM76301BOEING COMPANY, THEDBA BOEING
HT271A4-10M73197HI-SHEAR CORPORATION
HT271A4-10ML4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
ST3M430V4-10ASMK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
ST3M430V4-10ASM56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5305-01-347-4022
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH29
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.469 INCHES NOMINAL
FASTENER LENGTH1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM
HEAD HEIGHT0.106 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
FEATURES PROVIDED O RING AND DRY FILM LUBRICANT AND CETYL ALCOHOL LUBRICANT
SPECIAL FEATURESFLUORSILICON RUBBER O-RING,PER MIL-R-25988 TY1,CL 1,GRADE 70 LUBRICANTS APPLIED ON SHANK AND THREADS