Product Details | SOCKET HEAD CAP SCREW

5305-01-143-6531 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: M5X20 DIN 912 STL, M5X20DIN912STL, C0ML M5X20MM, C0MLM5X20MM, 5305-01-143-6531, 01-143-6531, 5305011436531, 011436531

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 07 DEC 1982 01-143-6531

Drawings & Photos | NSN 5305-01-143-6531


Demand History | NSN 5305-01-143-6531

Part Number Request Date QTY Origin
M5X20 DIN 912 STL 2024-09-248 1 DIBBS

Cross Reference | NSN 5305-01-143-6531

Part Number Cage Code Manufacturer
C0ML M5X20MM 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
M5X20 DIN 912 STL 1FH08 LEHIGH-ARMSTRONG, INC.

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Technical Data | NSN 5305-01-143-6531

Characteristic Specifications
THREAD SERIES DESIGNATOR M
NOMINAL THREAD DIAMETER 5.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS 0.8
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 18.4 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM
FASTENER LENGTH 20.00 MILLIMETERS NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION DIN 912 8.8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 113000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 9.0 MILLIMETERS NOMINAL
HEAD HEIGHT 5.0 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 4.0 MILLIMETERS NOMINAL
SPECIAL FEATURES STRAIGHT KNURLED HEAD

Restrictions/Controls & Freight Information | NSN 5305-01-143-6531

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.
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 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 5305-01-143-6531

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each