521A20
Dial Window
This page provides complete and verified information for part number 521A20, NSN 5355-00-867-3590
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.
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
1.500 inches nominal width, squared corners special features, 1.906 inches nominal length, center hole attachment method, 0.040 inches nominal material thickness
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Width
- 1.500 inches nominal
- Material Thickness
- 0.040 inches nominal
- Length
- 1.906 inches nominal
- Attachment Method
- center hole
- Special Features
- squared corners
- Color
- black
- Material
- plastic acrylic
- Style Designator
- rectangular w/chamfered corners
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
- M - Partial descriptive - reference item identification (type 1a concept)
- 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.
- A530R0
- U - Precious metal content is unknown
- 0008194
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 7015900000
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
- 086700
- Z
- 45955
- W - Rating variable
- 704 - Glass or glass items
- 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.
- BZ -
- glass,flat,noi
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 521A20
What is the FSCG of the NSN 5355-00-867-3590?
Does the NSN 5355-00-867-3590 have a Schedule B code assigned?
Does NSN 5355-00-867-3590 require demilitarization?
Does NSN 5355-00-867-3590 contain precious materials?
Does NSN 5355-00-867-3590 contain hazardous materials?
When the NSN 5355-00-867-3590 was assigned to the Federal Catalog?
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Price & Availability
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