Product Details | HEXAGON HEAD CAP SCREW

5305-01-314-6751 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Part Alternates: M1222RN5C228GCNZE, MILDTL1222, MIL-DTL-1222, MILS1222, MIL-S-1222, 5/16-18UNC-2A X 2 1/2, 51618UNC2AX212, 5305-01-314-6751, 01-314-6751, 5305013146751, 013146751

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 03 FEB 1990 01-314-6751

Drawings & Photos | NSN 5305-01-314-6751


Demand History | NSN 5305-01-314-6751

Part Number Request Date QTY Origin
MILDTL1222 2023-06-159 12 United States
5305-01-314-6751 2018-01-07 228 DIBBS
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 5305-01-314-6751

Part Number Cage Code Manufacturer
5/16-18UNC-2A X 2 1/2 80204 AMERICAN NATIONAL STANDARDS INSTITUTE, INCORPORATED
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 5305-01-314-6751

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.875 INCHES NOMINAL
FASTENER LENGTH 2.500 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE J429 GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ZINC AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH 75000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA 1 TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-S-1222

Restrictions/Controls & Freight Information | NSN 5305-01-314-6751

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 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

Management | NSN 5305-01-314-6751

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative