NSN 5305-00-149-9937
Part Details | CLOSE TOLERANCE SCREW
5305-00-149-9937 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: NAS33720, NAS337-20, 5305-00-149-9937, 00-149-9937, 5305001499937, 001499937
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-149-9937 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-00-149-9937
Part Number | Cage Code | Manufacturer |
---|---|---|
NAS337-20 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-00-149-9937
Characteristic | Specifications |
---|---|
THREAD LENGTH | 0.641 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
FASTENER LENGTH | 2.079 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |