NSN 5305-01-282-8190

Part Details | CLOSE TOLERANCE SCREW

5305-01-282-8190 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: NAS860413, NAS8604-13, 10113640, 5305-01-282-8190, 01-282-8190, 5305012828190, 012828190

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 23, 198801-282-819029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-282-8190
Part Number Cage Code Manufacturer
NAS8604-1380205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
10113640A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 5305-01-282-8190
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FASTENER LENGTH1.167 INCHES MINIMUM AND 1.197 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.355 INCHES MINIMUM AND 0.397 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS8604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD