NSN 5305-00-151-7991

Part Details | CLOSE TOLERANCE SCREW

5305-00-151-7991 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: VP1119510, VP1119-5-10, CA26300510, CA2630-0510, AS1080510, AS108-05-10, 511AE510, 511AE5-10, 5305-00-151-7991, 00-151-7991, 5305001517991, 001517991

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 13, 197000-151-799129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

Cross Reference | NSN 5305-00-151-7991
Part Number Cage Code Manufacturer
VP1119-5-1092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
CA2630-051029372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS108-05-1084256AVIBANK MFG., INC.
511AE5-1026512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
Technical Data | NSN 5305-00-151-7991
Characteristic Specifications
THREAD CLASS3A
THREAD LENGTH0.306 INCHES MINIMUM AND 0.357 INCHES MAXIMUM
FASTENER LENGTH1.103 INCHES MINIMUM AND 1.123 INCHES MAXIMUM
HEAD STYLE CROWNED HEXAGON
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
GRIP LENGTH0.625 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
SPECIAL FEATURESRETAINING ELEMENT IN SHANK
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT