NSN 5306-00-226-9876 MILB857A, MILS1222, MIL-S-1222

Product Details | MACHINE BOLT

5306-00-226-9876 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Part Alternates: MILB857A, MILS1222, MIL-S-1222, 12Z24PC323, 280450PC290, 388748PC9, 43B18855256, 43B18855-256, 5/8-11 2ATHD UNC X 1.750 L, 58112ATHDUNCX1750L, 5306-00-226-9876, 00-226-9876, 5306002269876, 002269876

Hardware and Abrasives | Bolts

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 JAN 1963	00-226-9876	01847 ( BOLT, MACHINE )

Drawings & Photos | NSN 5306-00-226-9876

Part Number	Request Date	QTY	Origin
MILS1222	2025-01-22	8	United States
MILS1222	2025-01-22	8	United States
MILS1222	2015-03-89	3000	BH
MILS1222	2014-08-230	1	US
MILS1222	2012-07-209	4	United States
MILB857A	2012-06-157	14	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
MILB857A	2007-09-260	1	US

Cross Reference | NSN 5306-00-226-9876

Part Number	Cage Code	Manufacturer
12Z24PC323	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
280450PC290	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
280450PC290	53711	NAVAL SEA SYSTEMS COMMAND
388748PC9	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
43B18855-256	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
5/8-11 2ATHD UNC X 1.750 L	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILB857A	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Related Products | NSN 5306-00-226-9876

5306-00-226-9878, 5306-00-226-9891, 5306-00-226-9894, 5306-00-226-9910, 5306-00-226-9911

Technical Data | NSN 5306-00-226-9876

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	11
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.250 INCHES MINIMUM
FASTENER LENGTH	1.750 INCHES NOMINAL
MATERIAL	STEEL OVERALL
SURFACE TREATMENT	ZINC OVERALL
HEAD STYLE	C1 HEXAGON
HEAD HEIGHT	0.391 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
GRIP LENGTH	0.500 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA	A CLASS AND B TYPE
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-S-1222
MANUFACTURERS CODE	81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	5/8-11 2ATHD UNC X 1.750 L

Restrictions/Controls & Freight Information | NSN 5306-00-226-9876

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
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	573	unknown
Originating Activity Code	XX
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 5306-00-226-9876

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	H EA : Each