Product Details | SOCKET HEAD CAP SCREW

5305-01-643-8697 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: 24C670 , 5305-01-643-8697, 01-643-8697, 5305016438697, 016438697

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2015105 01-643-8697

Demand History | NSN 5305-01-643-8697

Part Number Request Date QTY Origin
5305-01-643-8697 2018-03-66 20 DIBBS
5305-01-643-8697 2017-12-354 1 DIBBS
5305-01-643-8697 2015-10-301 21 DIBBS

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Technical Data | NSN 5305-01-643-8697

Characteristic Specifications
NOMINAL THREAD DIAMETER 0.25 INCHES
THREAD QUANTITY PER INCH 20
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.375 INCHES NOMINAL
FASTENER LENGTH 1.375 INCHES NOMINAL
MATERIAL STEEL PROPERTY CLASS 18.8 OVERALL
COLOR SILVER OVERALL
HEAD STYLE FLAT FILLISTER
HEAD DIAMETER 0.375 INCHES NOMINAL
HEAD HEIGHT 0.25 INCHES NOMINAL
HEAD LENGTH 0.25 INCHES NOMINAL
INTERNAL DRIVE STYLE SQUARE
WIDTH ACROSS FLATS 0.187 INCHES NOMINAL
HOLE CONFIGURATION STYLE SQUARE FLATS
SPECIAL FEATURES TEMP RANGE -65 DEGREES F TO 300 DEGREES F MEETS/EXCEEDS ASME B18.3 AND ASTM F837 MIN. TENSILE STRENGTH 80,000 PSI ROCKWELL HARDNESS B81 TO B100.
III PART NAME ASSIGNED BY CONTROLLING AGENCY SKT CAP SCRW, STD, 18-8,1/4-20X1-3/8, PK25

Restrictions/Controls & Freight Information | NSN 5305-01-643-8697

Category Code Description
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.
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
No Freight Information

Management | NSN 5305-01-643-8697

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