Product Details | SETSCREW

5305-00-045-1684 An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: MS510219, MS51021-9, 5305-00-045-1684, 00-045-1684, 5305000451684, 000451684

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 11 MAY 1967 00-045-1684

Drawings & Photos | NSN 5305-00-045-1684


Demand History | NSN 5305-00-045-1684

Part Number Request Date QTY Origin
MS510219 2025-12-342 2500 Korea
MS510219 2025-08-225 1000 Korea
MS510219 2025-05-140 375 Korea
MS510219 2025-04-119 5000 Korea
MS510219 2025-04-107 5000 Korea
MS510219 2024-04-107 800 Korea
MS510219 2024-04-107 660 Korea
MS510219 2023-08-237 500 Korea
MS510219 2023-03-79 220 Korea
MS510219 2023-03-79 1600 Korea
MS510219 2022-01-04 105 United States
MS510219 2021-12-348 1400 Korea
MS510219 2021-07-203 5600 United States
MS51021-9 2020-09-268 804 South Korea
MS51021-9 2020-09-268 804 South Korea
MS51021-9 2020-09-268 312 South Korea
MS510219 2020-09-258 1000 South Korea
MS51021-9 2020-06-174 40 Hong Kong
MS510219 2018-07-211 50 Malaysia
MS510219 2018-07-211 50 Malaysia
MS51021-9 2018-05-150 3290 South Korea
MS51021-9 2018-05-149 3290 South Korea
MS510219 2014-06-168 20 Japan
MS51021-9 2014-02-59 20 TR
MS510219 2014-02-43 1 United States
MS510219 2010-02-43 100 US
MS510219 2007-12-345 500 United States

Cross Reference | NSN 5305-00-045-1684

Part Number Cage Code Manufacturer
MS51021-9 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-00-045-1684

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.112 INCHES
THREAD QUANTITY PER INCH 40
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.125 INCHES MINIMUM
FASTENER LENGTH 0.125 INCHES NOMINAL
MATERIAL STEEL COMP 304 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C101 HEADLESS
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.050 INCHES NOMINAL
POINT STYLE F20 CUP
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS51021-9

Restrictions/Controls & Freight Information | NSN 5305-00-045-1684

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 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 XN National Security Agency
ATTN: L111
Fort George G. Meade, MD 20755-6000
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 5305-00-045-1684

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeIIndustrial MaterielDefense Industrial Supply Center (DISC)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification CodeBConsumable Repair Parts
Physical Category Code1Bin
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
HD : Each
Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
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
HD : Each