Product Details | SOCKET HEAD CAP SCREW

5305-01-273-6851 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, 5305-01-273-6851, 01-273-6851, 5305012736851, 012736851

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 29 FEB 1988 01-273-6851

Drawings & Photos | NSN 5305-01-273-6851


Demand History | NSN 5305-01-273-6851

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 5305-01-273-6851

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 5305-01-273-6851

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.880 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
FASTENER LENGTH 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.156 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 5305-01-273-6851

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.
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 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 5305-01-273-6851

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative