Product Details | SOCKET HEAD CAP SCREW

5305-00-268-2443 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: NAS1351C4LN24, TN1351C4LN24, 83890200, 838902-00, 5305-00-268-2443, 00-268-2443, 5305002682443, 002682443

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 18 JUL 1973 00-268-2443

Drawings & Photos | NSN 5305-00-268-2443


Cross Reference | NSN 5305-00-268-2443

Part Number Cage Code Manufacturer
838902-00 32345 DEFENSE REDUCTION AGENCY
NAS1351C4LN24 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
TN1351C4LN24 26304 TORKON FASTENER CORP

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Technical Data | NSN 5305-00-268-2443

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.000 INCHES MINIMUM
FASTENER LENGTH 1.484 INCHES MINIMUM AND 1.532 INCHES MAXIMUM
MATERIAL PLASTIC POLYAMIDE LOCKING FEATURE STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENT PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING 80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
LOCKING FEATURE PELLET THREADS
SPECIFICATION/STANDARD DATA 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-00-268-2443

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
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 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