NSN 5306-00-003-0645 Bolt, Close Tolerance

National Motor Freight NMFC: A six position numeric code, which divides articles into groups or classes according to physical characteristics. The classification is based on truckloads vs. less than truckload.

Item Identification | Bolts

5306-00-003-0645, An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Close Tolerance Bolts Cross Reference

Codes

Management

Army

Accounting Requirements	X – Expendable item. an item of army property coded with an arc of ``x'' in the amdf. expendable items require no formal accountability after issue from a stock record account. commercial and fabricated items similar to items coded ``x'' in the amdf are considered expendable items.
Material Category 1	T – Industrial supplies (dla/gsa items)
Material Category 2	2 – Stock fund secondary items
Material Category 3	2 – Nonreparable items (exclusive of insurance and provisioning items). this code will be used to identify items which are not reparable.
Material Category 4 & 5	00 – Dla/gsa-managed items that cannot be identified to a specific army weapons systems/end item

Army Management Code Definition

Accounting Requirements	Accounting Requirements Code (ARC): a one position alpha code that indicates the accountability of an item of supply.
Material Category 1	Material category and inventory manager.
Material Category 2	Appropriation and budget activity account.
Material Category 3	Management inventory segment.
Material Category 4 & 5	Specific group / generic category.