Product Details | SOCKET HEAD CAP SCREW

5305-00-118-6251 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: 5305-00-118-6251, 00-118-6251, 5305001186251, 001186251

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-118-6251

Drawings & Photos | NSN 5305-00-118-6251


Cross Reference | NSN 5305-00-118-6251

Part Number Cage Code Manufacturer
LK1189C08P8 26304 TORKON FASTENER CORP
NAS1189C08P8 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS1189E08P8N 04348 LAWRENCE ENGINEERING AND SUPPLY INC
NAS1189E08P8N 07679 HARDWARE SPECIALTY CO. INC.
NAS1189E08P8N 07851 NOR-CAL SUPPLY CO.INC.
NAS1189E08P8N 08938 AIR INDUSTRIES CO INC
NAS1189E08P8N 16941 LONG-LOK FASTENERS CORPORATION
NAS1189E08P8N 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
NAS1189E08P8N 50568 APCOM INC
NAS1189E08P8N 53606 PLASTIC AND METAL PRODUCTS CORPORATION
NAS1189E08P8N 56357 ND INDUSTRIES, INC. DIV EASTERN DIVISION
NAS1189E08P8N 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
NAS1189E08P8N 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
NAS1189E08P8N 73197 HI-SHEAR CORPORATION
NAS1189E08P8N 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS1189E08P8N 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
NAS1189E08P8N 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
NAS1189E08P8N 97928 HUCK INTL INC
NAS1189E08P8N C4293 ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
NAS1189E08P8N L4528 LISI AEROSPACE CANADA CORP

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Technical Data | NSN 5305-00-118-6251

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.339 INCHES MINIMUM AND 0.432 INCHES MAXIMUM
FASTENER LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 140000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 85000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.270 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
LOCKING FEATURE PELLET OR STRIP THREADS
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES THREADS

Restrictions/Controls & Freight Information | NSN 5305-00-118-6251

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
Category Code Description
No Freight Information