National Item Identification Number
01-384-3422
013843422
5305-01-384-3422
5305013843422
National Stock Number
Item Name
SCREW,CLOSE TOLERANCE
Federal Supply Class
5305
Description
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.
Commercial and Government Entity Code (Supplier Data)
0D4J7
JESCO AMERICA CORP
55 BERMAR PARK
ROCHESTER
NY
14624
716-426-0990
41083
LIGHTNIN
A UNIT OF GENERAL SIGNAL CORP
135 MT READ BLVD
1370
ROCHESTER
NY
14603
585-436-5550
Reference Numbers (Part Numbers)
4170061718
4170061718
Required Categories
Required Description