Additional Information:

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.

Cross Reference

121557-4-A28P 56878SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION121557-4-A28P 80539SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUPAIC984-4-28 06725SPS TECHNOLOGIES LLC DBA AIR INDUSTRIESC7984-4-28 81755LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICSH044-4-28 17446HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMSH044-4-28 97928HUCK INTL INCPBF1165-4-28 27624SPS TECHNOLOGIES, LLC DBA PB FASTENERSVT1693F4-28 06950ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMSVT1693F4-28 92215ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

Restrictions/Controls & Freight Information

Shelf-Life Code:0Nondeteriorative Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. Controlled Inventory Item Code:UUNCLASSIFIED Precious Metals Indicator Code:AItem does not contain precious metal Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Management

Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.The price has not been analyzed or reviewed for accuracy.ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALCSource of SupplySMSDefense Logistics AgencyEnterprise Business SystemsAgencyDFDepartment of the Air ForceService OrganizationFU.S. Air ForceReparabilityNStock Fund (except Munitions)Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. Controlled Item CodeUUNCLASSIFIEDShelf Life Code0NondeteriorativePurchasingQTY UOM1 EA : Each

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