NSN 5305-00-179-9437

Part Details | CLOSE TOLERANCE SCREW

5305-00-179-9437 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: CA26520411, CA2652-04-11, AS1160411, AS116-04-11, MS211250411, MS21125-0411, MS211250411, MS21125-0411, 5305-00-179-9437, 00-179-9437, 5305001799437, 001799437

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 19, 197100-179-943729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-00-179-9437
Part Number Cage Code Manufacturer
CA2652-04-1129372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS116-04-1184256AVIBANK MFG., INC.
MS21125-041196906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21125-041180205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-179-9437
Characteristic Specifications
THREAD CLASS3A
THREAD LENGTH0.277 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
FASTENER LENGTH1.106 INCHES MINIMUM AND 1.126 INCHES MAXIMUM
HEAD HEIGHT0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
SPECIAL FEATURESPLUNGER OPERATED,TWO SPRING LOADED RETAINING BALLS