NSN 5305-00-108-9698

Part Details | CLOSE TOLERANCE SCREW

5305-00-108-9698 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: CA2651421, CA2651-4-21, MS21125421, MS21125-4-21, 5305-00-108-9698, 00-108-9698, 5305001089698, 001089698

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 24, 197200-108-969829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-108-9698
Part Number Cage Code Manufacturer
CA2651-4-2129372ARCONIC GLOBAL FASTENERS & RINGS,INC.
MS21125-4-2180205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-108-9698
Characteristic Specifications
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.278 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
FASTENER LENGTH1.731 INCHES MINIMUM AND 1.751 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
GRIP LENGTH1.312 INCHES MINIMUM AND 1.328 INCHES MAXIMUM
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT