Product Details | MACHINE BOLT

5306-00-050-1238 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: MS9072632, MS90726-32, MS9072732, MS90727-32, B1821BH031F075N, 7053156590, 705-3156-590 , 7114432, 71144-32, 5306-00-050-1238, 00-050-1238, 5306000501238, 000501238

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-050-1238

Drawings & Photos | NSN 5306-00-050-1238


Demand History | NSN 5306-00-050-1238

Part Number Request Date QTY Origin
5306-00-050-1238 2025-02-56 136 DIBBS
5306-00-050-1238 2025-02-50 70 Taiwan
MS9072732 2022-07-182 100 US
5306-00-050-1238 2017-03-73 12 DIBBS-KIT
MS90726-32 2017-03-73 12
MS9072632 2013-10-287 500 United States
MS9072632 2013-10-287 675 United States
B1821BH031F075N 2013-06-170 32 US
5306-00-050-1238 2012-06-168 300 Canada
B1821BH031F075N 2012-06-159 1380 US
B1821BH031F075N 2012-04-117 224 US
B1821BH031F075N 2011-01-17 38 US
5306-00-050-1238 2011-01-10 66 us
5306-00-050-1238 2010-11-326 200 United States
MS9072632 2010-03-61 1000 US
5306-00-050-1238 2008-07-191 57700 US

Cross Reference | NSN 5306-00-050-1238

Part Number Cage Code Manufacturer
5306000501238 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
71144-32 95097 LITTLE GIANT CRANE AND SHOVEL INC
B1821BH031F075N 80204 AMERICAN NATIONAL STANDARDS INSTITUTE, INCORPORATED
MS90726-32 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS90727-32 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-00-050-1238

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.615 INCHES MINIMUM AND 0.719 INCHES MAXIMUM
FASTENER LENGTH 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ZINC AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 150000 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
SURFACE FINISH 63.0 MICROINCHES THREADS
FEATURES PROVIDED FINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-050-1238

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 062960 REOSTATS/PARTS NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 658 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 H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
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 5306-00-050-1238

Category Code Description
Cognizance Codes9NNavy-owned stocks of defense electronic material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9EDefense Supply Center Columbus
Columbus, OH 43218
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each