Product Details | SOCKET HEAD CAP SCREW

5305-01-317-0078 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: 3176213B012, 3176213-B-012, 5305-01-317-0078, 01-317-0078, 5305013170078, 013170078

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 MAR 1990 01-317-0078

Drawings & Photos | NSN 5305-01-317-0078


Cross Reference | NSN 5305-01-317-0078

Part Number Cage Code Manufacturer
3176213-B-012 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5305-01-317-0078

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.389 INCHES MINIMUM
FASTENER LENGTH 2.500 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT ZINC AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM B633 TY 2,CL FE/ZM 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.156 INCHES NOMINAL
HOLE CONFIGURATION STYLE E6 HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY 6
HOLE DIAMETER 0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-317-0078

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 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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5305-01-317-0078

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