Product Details | SOCKET HEAD CAP SCREW

5305-01-264-6376 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: MILDTL1222, MIL-DTL-1222, MILS1222, MIL-S-1222, 5305-01-264-6376, 01-264-6376, 5305012646376, 012646376

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 05 OCT 1987 01-264-6376

Drawings & Photos | NSN 5305-01-264-6376


Demand History | NSN 5305-01-264-6376

Part Number Request Date QTY Origin
MILDTL1222 2023-06-159 12 United States
MILS1222 2015-03-89 3000 BH
MILS1222 2014-08-230 1 US
MILDTL1222 2013-06-169 59 US
MILS1222 2012-07-209 4 United States
MILS1222 2012-03-74 1 US
MILS1222 2011-02-49 3 US
MILS1222 2011-02-49 4 US
MILS1222 2011-02-49 5 US
MILS1222 2011-02-49 10 US
MILS1222 2011-02-49 18 US
MILS1222 2011-02-49 35 US
MILS1222 2011-02-49 40 US
MILS1222 2011-02-49 42 US
MILS1222 2011-02-49 185 US
MILS1222 2011-02-49 195 US

Cross Reference | NSN 5305-01-264-6376

Part Number Cage Code Manufacturer
MIL-DTL-1222 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-1222 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5305-01-264-6376

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.438 INCHES
THREAD QUANTITY PER INCH 14
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.547 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FASTENER LENGTH 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
MATERIAL STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 155000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
HEAD HEIGHT 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.375 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA 2 TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-S-1222

Restrictions/Controls & Freight Information | NSN 5305-01-264-6376

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 GX HQ Defense Logistics Agency, Enterprise Business
Systems
Fort Belvoir, VA 22060
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 5305-01-264-6376

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