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4820-01-641-6342

Find complete technical information, availability, and procurement data for: 4820-01-641-6342

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4820-01-641-6342
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-641-6342
Item Name Code
77777
Assigment Date
01/28/2015 (11 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

zzzy criticality code justification, material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items reference number differentiating characteristics

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Criticality Code Justification
zzzy
Reference Number Differentiating Characteristics
material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
19-87-0533GN Auto Shut-off Valve
19-87-0533GNL1 Auto Shut-off Valve
281744-0006 Auto Shut-off Valve
281744-0006L1 Auto Shut-off Valve
7550478-A52 Auto Shut-off Valve
7550478-A52L1 Auto Shut-off Valve
G547-0002-A52 Auto Shut-off Valve
G547-0002-A52L1 Auto Shut-off Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-641-6342?
The FSCG of the NSN 4820-01-641-6342 is 4820
Does NSN 4820-01-641-6342 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 4820-01-641-6342 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-641-6342 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-641-6342 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Wed, Jan 28, 2015

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