Product Details | SHOULDER SCREW

5305-01-568-1024 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Part Alternates: HT4020621AX, HT4020-6-21AX , ST3M653C621A, ST3M653C6-21A , WC4020621AX, WC4020-6-21AX , 11927C621A, 11927C6-21A, 5305-01-568-1024, 01-568-1024, 5305015681024, 015681024

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 OCT 2008 01-568-1024

Demand History | NSN 5305-01-568-1024

Part Number Request Date QTY Origin
5305-01-568-1024 2014-02-35 255 DIBBS
5305-01-568-1024 2014-01-30 2282 DIBBS
5305-01-568-1024 2014-01-08 2282 DIBBS
5305-01-568-1024 2013-10-281 2282 DIBBS
5305-01-568-1024 2013-09-266 858 DIBBS
5305-01-568-1024 2013-08-224 180 DIBBS
5305-01-568-1024 2013-04-102 180 DIBBS
5305-01-568-1024 2013-02-43 180 DIBBS
5305-01-568-1024 2012-12-346 2282 DIBBS
5305-01-568-1024 2012-04-109 1141 DIBBS
5305-01-568-1024 2012-03-85 718 DIBBS
5305-01-568-1024 2012-02-39 423 DIBBS
5305-01-568-1024 2011-10-300 18 DIBBS

Cross Reference | NSN 5305-01-568-1024

Part Number Cage Code Manufacturer
11927C6-21A 59563 REID PRODUCTS INC. DBA REID PRODUCTS
HT4020-6-21AX 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
HT4020-6-21AX 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4020-6-21AX 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
HT4020-6-21AX 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
HT4020-6-21AX 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
HT4020-6-21AX 73197 HI-SHEAR CORPORATION
HT4020-6-21AX 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
HT4020-6-21AX 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4020-6-21AX K5673 SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
ST3M653C6-21A 06710 VALLEY-TODECO, INC.
ST3M653C6-21A 0ZC92 HEARTLAND PRECISION FASTENERS, INC.
ST3M653C6-21A 1VSL7 HOUSTON PRECISION FASTENER L.L.C.
ST3M653C6-21A 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
ST3M653C6-21A 76301 BOEING COMPANY, THE DBA BOEING
WC4020-6-21AX 60516 WEST COAST AEROSPACE INC

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Technical Data | NSN 5305-01-568-1024

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
SPECIAL FEATURES FURNISHED WITH ONE RUBBER O RING
INTERNAL DRIVE STYLE HIGH-TORQUE
FASTENER LENGTH 1.953 INCHES NOMINAL
THREAD LENGTH 0.641 INCHES NOMINAL
NOMINAL THREAD DIAMETER 0.375 INCHES
SHOULDER LENGTH 1.129 INCHES MINIMUM FIRST SHOULDER AND 1.151 INCHES MAXIMUM FIRST SHOULDER
SHOULDER DIAMETER 0.389 INCHES MINIMUM FIRST SHOULDER AND 0.390 INCHES MAXIMUM FIRST SHOULDER
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
THREAD QUANTITY PER INCH 24
HEAD STYLE FLAT COUNTERSUNK UNDERCUT
MATERIAL STEEL COMP XM-13 OVERALL
THREAD SERIES DESIGNATOR UNJF
SHOULDER SHAPE ROUND FIRST SHOULDER
HEAD DIAMETER 0.756 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD HEIGHT 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-568-1024

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 5305-01-568-1024

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