4820-00-678-0302
Special Actuator Valve Diaphragm
Find complete technical information, availability, and procurement data for NSN 4820-00-678-0302 All details are based on official government and industry records to support accurate and compliant procurement.
An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes:diaphra gm, valve, flat and gasket.
0.250 inches nominal center hole diameter, 0.290 inches nominal hole diameter, 3.375 inches nominal outside diameter, 2.750 inches nominal bolt circle diameter, 0.016 inches nominal material thickness
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Hole Diameter
- 0.290 inches nominal
- Outside Diameter
- 3.375 inches nominal
- Bolt Circle Diameter
- 2.750 inches nominal
- Material Thickness
- 0.016 inches nominal
- Center Hole Diameter
- 0.250 inches nominal
- Bolt Hole Quantity
- 12
- Bead Diameter
- 2.093 inches nominal
- Special Features
- two locator holes 0.188 in. dia on 2.750 in. bolt circle
- Material
- rubber chloroprene class cr
- Style Designator
- special shaped
Related Parts & Specifications
This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.
| Part Number | Name |
|---|---|
| 4541-1-G | Special Actuator Valve Diaphragm |
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
- 4 - Partial descriptive item identification (type 1 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.
- A540B0
- U - Precious metal content is unknown
- 0040088
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 8481909090
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
- 057280
- X
- 64100
- F - 150.0
- 593 - Motors and parts, (machinery and parts),(less than 35 feet)
- 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 -
- diaphragms gas meter
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-00-678-0302
What is the FSCG of the NSN 4820-00-678-0302?
Does the NSN 4820-00-678-0302 have a Schedule B code assigned?
Does NSN 4820-00-678-0302 require demilitarization?
Does NSN 4820-00-678-0302 contain precious materials?
Does NSN 4820-00-678-0302 contain hazardous materials?
When the NSN 4820-00-678-0302 was assigned to the Federal Catalog?
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