Product Details | SOCKET HEAD CAP SCREW

5305-01-556-0548 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: 92185A599, 5305-01-556-0548, 01-556-0548, 5305015560548, 015560548

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 21 SEP 2007 01-556-0548

Drawings & Photos | NSN 5305-01-556-0548


Cross Reference | NSN 5305-01-556-0548

Part Number Cage Code Manufacturer
92185A599 3A054 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 5305-01-556-0548

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH 3.500 INCHES NOMINAL
MATERIAL STEEL COMP 316 OVERALL
HARDNESS RATING 70.0 ROCKWELL B NOMINAL OVERALL
MINIMUM TENSILE STRENGTH 70000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
SPECIAL FEATURES CONTAINS MOLYBDENUM WHICH INCREASES CORROSION RESISTANCE TO CHLORIDES AND SULFATES; MILDLY MAGNETIC; PARTIALLY THREADED
III END ITEM IDENTIFICATION NHA: TRACTION DRIVE ASSEMBLY; WSD: AN/WLD-1 (V) REMOTE MINE HUNTING SYSTEM
III PART NAME ASSIGNED BY CONTROLLING AGENCY SOCKET HEAD CAP SCREW

Restrictions/Controls & Freight Information | NSN 5305-01-556-0548

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 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 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 5305-01-556-0548

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