18228ADX
Machine Screw
This page provides complete and verified information for part number 18228ADX, NSN 5305-00-059-4544
You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
right-hand thread direction, 2a thread class, 0.700 inches minimum and 0.750 inches maximum thread length, 0.750 inches nominal fastener length, flat countersunk head style
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.700 inches minimum and 0.750 inches maximum
- Fastener Length
- 0.750 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.195 inches minimum and 0.225 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.112 inches
- Thread Quantity Per Inch
- 40
- Minimum Tensile Strength
- 55000 pounds per square inch
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- steel comp 1011 or steel comp 1013 or steel comp 1010
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec all treatment responses
- Thread Series Designator
- unc
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- Schedule B Code
- 1 - Full descriptive item identification
- A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A500D0
- U - Precious metal content is unknown
- 0006657
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 7318152000
Freight Information
Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.
- Major Organizational Entity
- National Motor Freight Classification Item Number
- National Motor Freight Classification Sub-Item Number
- Uniform Freight Classification Item Number
- National Motor Freight Class Rating
- Water Commodity
- Type of Cargo
- Special Hand
- Air Dimension
- Air Commodity
- National Motor Freight Description
- XX
- 133300
- Z
- 63220
- W - Rating variable
- 72E - Engineer and material handling equipment, test/tool sets and equipment
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- VZ -
- machinery/machines noi
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 18228ADX
What is the FSCG of the NSN 5305-00-059-4544?
Does the NSN 5305-00-059-4544 have a Schedule B code assigned?
Does NSN 5305-00-059-4544 require demilitarization?
Does NSN 5305-00-059-4544 contain precious materials?
Does NSN 5305-00-059-4544 contain hazardous materials?
When the NSN 5305-00-059-4544 was assigned to the Federal Catalog?
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