Product Details | SOCKET HEAD CAP SCREW

5305-01-563-6421 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: B434264018, B434-2640-18, 1.000-8UNRC-3A X 3.750 NICUAL, 10008UNRC3AX3750NICUAL, 596741082418, 596-7410824-18, 68138375, 68-13-8375, 5305-01-563-6421, 01-563-6421, 5305015636421, 015636421

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 15 MAY 2008 01-563-6421

Demand History | NSN 5305-01-563-6421

Part Number Request Date QTY Origin
5305-01-563-6421 2012-06-170 9 DIBBS

Cross Reference | NSN 5305-01-563-6421

Part Number Cage Code Manufacturer
1.000-8UNRC-3A X 3.750 NICUAL 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
596-7410824-18 53711 NAVAL SEA SYSTEMS COMMAND
68-13-8375 96169 ELECTRIC BOAT CORPORATION
B434-2640-18 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 5305-01-563-6421

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER 1.000 INCHES
THREAD QUANTITY PER INCH 8
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH 3.750 INCHES NOMINAL
MATERIAL NICKEL ALLOY K-500 AND NICKEL ALLOY 502 OVERALL
SPECIAL FEATURES WHEN REFERRED TO THIS ITEM FASTENER CONTACT SURFACES AND MALE THREADS TO BE COATED WITH ANTI GALLING COMPOUND PER CID A-A-59004
III PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW CAP SELF LOCKING SOCKET CYLINDER HEAD

Restrictions/Controls & Freight Information | NSN 5305-01-563-6421

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 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 5305-01-563-6421

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
1
EA : Each