Product Details | SOCKET HEAD CAP SCREW

5305-00-143-1840 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: MS2109104004, MS21091-04004, LK2109104004, LK21091-04004, 5305-00-143-1840, 00-143-1840, 5305001431840, 001431840

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 SEP 1968 00-143-1840

Drawings & Photos | NSN 5305-00-143-1840


Demand History | NSN 5305-00-143-1840

Part Number Request Date QTY Origin
5305-00-143-1840 2015-01-12 30 DIBBS

Cross Reference | NSN 5305-00-143-1840

Part Number Cage Code Manufacturer
LK21091-04004 26304 TORKON FASTENER CORP
MS21091-04004 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21091-04004 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-00-143-1840

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 0.225 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
FASTENER LENGTH 0.485 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
MATERIAL STEEL COMP 4037 OR STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1

Restrictions/Controls & Freight Information | NSN 5305-00-143-1840

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:UPrecious 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 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 5305-00-143-1840

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
Purchasing QTY
UOM
1
EA : Each