Product Details | SOCKET HEAD CAP SCREW

5305-01-566-8188 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: 91274A048, 5305-01-566-8188, 01-566-8188, 5305015668188, 015668188

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 10 SEP 2008 01-566-8188

Demand History | NSN 5305-01-566-8188

Part Number Request Date QTY Origin
5305-01-566-8188 2014-08-219 400 US
5305-01-566-8188 2012-12-362 250 DIBBS
5305-01-566-8188 2009-11-321 250 DIBBS

Cross Reference | NSN 5305-01-566-8188

Part Number Cage Code Manufacturer
91274A048 3A054 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 5305-01-566-8188

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
INTERNAL DRIVE STYLE HEXAGON
HEAD DIAMETER 0.270 INCHES NOMINAL
HEAD STYLE FLAT CHAMFER
PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW
THREAD QUANTITY PER INCH 32
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH 0.250 INCHES NOMINAL
WIDTH ACROSS FLATS 0.141 INCHES NOMINAL
MATERIAL STEEL OVERALL
FASTENER LENGTH 0.250 INCHES NOMINAL
SPECIAL FEATURES FINISH IS ULTRA CORROSION RESISTANT COATED
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD CLASS 3A
HEAD HEIGHT 0.164 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-566-8188

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 061080 BUS BAR SYSTEM NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity E Engineer supplies, other than those listed under code B.
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 5305-01-566-8188

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 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each