Product Details | SOCKET HEAD CAP SCREW

5305-00-638-6255 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: 333S573, 5305-00-638-6255, 00-638-6255, 5305006386255, 006386255

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-638-6255

Drawings & Photos | NSN 5305-00-638-6255


Demand History | NSN 5305-00-638-6255

Part Number Request Date QTY Origin
333S573 2025-06-177 166 DIBBS
333S573 2024-02-59 87 DIBBS
333S573 2023-06-178 87 DIBBS
333S573 2023-06-170 87 DIBBS
333S573 2022-12-347 23 DIBBS
333S573 2022-11-328 23 DIBBS
333S573 2022-10-284 28 DIBBS
333S573 2022-09-270 28 DIBBS
333S573 2022-07-199 48 DIBBS
333S573 2022-07-188 18 DIBBS
333S573 2020-04-120 18 DIBBS
333S573 2019-11-317 47 DIBBS
333S573 2019-09-265 11 DIBBS
333S573 2019-08-218 7 DIBBS
333S573 2019-07-209 11 DIBBS
5305-00-638-6255 2018-02-50 44 DIBBS
5305-00-638-6255 2014-08-229 17 DIBBS
5305-00-638-6255 2014-05-125 1 DIBBS
5305-00-638-6255 2014-04-114 1 DIBBS

Cross Reference | NSN 5305-00-638-6255

Part Number Cage Code Manufacturer
333S573 06848 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
333S573 55284 HONEYWELL INTERNATIONAL INC DBA HONEYWELL

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Technical Data | NSN 5305-00-638-6255

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.437 INCHES MINIMUM
FASTENER LENGTH 0.437 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
HEAD HEIGHT 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.090 INCHES MAXIMUM
HOLE CONFIGURATION STYLE E11 ROUND INTERNAL HEXAGON
HOLE TYPE DRILLED
HOLE QUANTITY 4
HOLE DIAMETER 0.040 INCHES NOMINAL
MANUFACTURERS CODE 06848
DESIGN CONTROL REFERENCE 333S573

Restrictions/Controls & Freight Information | NSN 5305-00-638-6255

Category Code Description
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.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5305-00-638-6255

Category Code Description
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-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each