Product Details | CLOSE TOLERANCE SCREW

5305-01-494-8084 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: HT4020415, HT4020-4-15, ST3M652C415D, ST3M652C4-15D, 5305-01-494-8084, 01-494-8084, 5305014948084, 014948084

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 25 FEB 2002 01-494-8084

Drawings & Photos | NSN 5305-01-494-8084


Cross Reference | NSN 5305-01-494-8084

Part Number Cage Code Manufacturer
HT4020-4-15 73197 HI-SHEAR CORPORATION
HT4020-4-15 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
HT4020-4-15 K5673 SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4020-4-15 L4528 LISI AEROSPACE CANADA CORP
ST3M652C4-15D 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
ST3M652C4-15D 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
ST3M652C4-15D 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
ST3M652C4-15D 60516 WEST COAST AEROSPACE INC
ST3M652C4-15D 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5305-01-494-8084

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.2500 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.469 INCHES NOMINAL
FASTENER LENGTH 1.391 INCHES MINIMUM AND 1.438 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
HEAD STYLE C51 FLAT COUNTERSUNK UNDERCUT
HEAD DIAMETER 0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM
HEAD HEIGHT 0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM
GRIP DIAMETER 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIAL FEATURES ITEM INTENDED FOR USE IN FUEL SEALING APPLICATIONS

Restrictions/Controls & Freight Information | NSN 5305-01-494-8084

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 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 5305-01-494-8084

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each