Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-241-6278 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Part Alternates: 85763-201-1, 5305-01-241-6278, 01-241-6278, 5305012416278, 857632011, 012416278

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 30 SEP 1986 01-241-6278

Drawings & Photos | NSN 5305-01-241-6278


Cross Reference | NSN 5305-01-241-6278

Part Number Cage Code Manufacturer
85763-201-1 94756 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5305-01-241-6278

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.275 INCHES NOMINAL
FASTENER LENGTH 0.880 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AA0110-023 CAGEC 94756 MFR REF SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 60000 POUNDS PER SQUARE INCH
HEAD STYLE C44 FILLISTER
HEAD DIAMETER 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
POINT STYLE F22 POINTLESS
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.605 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-241-6278

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 5305-01-241-6278

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