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- NSN 5306-00-021-4259
5306-00-021-4259
Description: Machine Bolt
Price Quote
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Export Restrictions
Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)
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Spec. Type | Spec. | Color | Gloss | Size |
---|---|---|---|---|
Screw material document and classification | MIL-B-45912 |
Array Properties
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NSN:Array
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Description:Machine Bolt
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Shelf Life:N/A
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DEMIL:NO
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UOM:1 EA
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Thread Class:2a
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Thread Direction:Right-hand
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Thread Length:Between 1.594 inches and 1.750 inches
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Fastener Length:Between 1.670 inches and 1.750 inches
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Head Style:Undercut hexagon
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Head Height:Between 0.438 inches and 0.458 inches
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Width Between Flats:Between 0.985 inches and 1.000 inches
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Locking Feature:Distortions bearing surface of head
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Thread Diameter:0.750 inches
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Features Provided:Finished head
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Thready Qty Per Inch (tpi):16
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Min. Tensile Strength (psi):150000 pounds per square inch
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Hardness Rating:25.0 rockwell c and 34.0 rockwell c
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Material:Steel
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Material Specification:Astm a449, grade 8 assn standard single material response or sae j429, grade 8 assn standard single material response or gm 300-m mfr ref single material response
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Surface Treatment:Cadmium and chromate or zinc
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Surface Treatment Specification:Qq-p-416, type 2, class 3 federal specification 1st treatment response or astm b633, type 1, class 3 assn standard 2nd treatment response
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Thread Series Designator:Unf
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Specification Data:81349-mil-b-45912 government specification and 96906-ms35764 rev d/inactive/ government standard
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Nondefinitive Specification/std Data:B composition
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Departure From Cited Document:As modified by optional zinc coated surf. Treat.








