NSN 5305-01-097-8221

Part Details | CLOSE TOLERANCE SCREW

5305-01-097-8221 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: HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, CHT406749A, CHT4067-4-9A, 3M925C49A, 3M925C4-9A, 3M925V49A, 3M925V4-9A, HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, 11881C49A, 11881C4-9A, HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, HT406749A, HT4067-4-9A, 3M925C49A, 3M925C4-9A, WC406749A, WC4067-4-9A, 5305-01-097-8221, 01-097-8221, 5305010978221, 010978221

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 19, 198001-097-822129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-097-8221
Part Number Cage Code Manufacturer
HT4067-4-9A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4067-4-9A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
CHT4067-4-9A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M925C4-9A76301BOEING COMPANY, THEDBA BOEING
3M925V4-9A58998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4067-4-9A73197HI-SHEAR CORPORATION
HT4067-4-9A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4067-4-9A97928HUCK INTL INC
HT4067-4-9AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11881C4-9A59563REID PRODUCTS INC.DBA REID PRODUCTS
HT4067-4-9A0PTK6SPS TECHNOLOGIES INC
HT4067-4-9AK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4067-4-9A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4067-4-9A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
3M925C4-9A007R1TWIST TITE MFG, INC
WC4067-4-9A60516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-097-8221
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 LENGTH1.016 INCHES MINIMUM AND 1.046 INCHES MAXIMUM
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM
HEAD HEIGHT0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIAL FEATURESFURNISHED WITH ONEO RING
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CLOSE TOLERANCE-ASSEMBLY, 100 DEGREE C'SUNK SEALING HEAD, HI-TORQUE, CREW (125 KSI FSU), IVD ALUMINUM COATED