7920-00-240-7178

Find complete technical information, availability, and procurement data for: 7920-00-240-7178
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Federal Supply Group

Cleaning Equipment and Supplies

Federal Supply Classification

7920 Brooms, Brushes, Mops and Sponges

National Stock Number

7920-00-240-7178

Item Name Code

04821

Assigment Date

01/01/1963 (63 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.

4-1/2 in. w approx special features, curved brush head twisted-in-wire style designator, 14.000 inches nominal handle length, 0.875 inches nominal handle diameter, 5.500 inches nominal brush part length

Product Characteristics

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

Handle Length: 14.000 inches nominal
Handle Diameter: 0.875 inches nominal
Brush Part Length: 5.500 inches nominal
Special Features: 4-1/2 in. w approx
Style Designator: curved brush head twisted-in-wire
Nondefinitive Spec/Std Data: 1 type and 2 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
7920-00-634-5452	No Name Available	01/01/1963

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
38B3240	Sanitary Brush
HB481	Sanitary Brush

FAQs

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

What is the FSCG of the NSN 7920-00-240-7178?

The FSCG of the NSN 7920-00-240-7178 is 7920

Does the NSN 7920-00-240-7178 have a Schedule B code assigned?

Yes, the Schedule B code is 9603900000

Does NSN 7920-00-240-7178 require demilitarization?

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.

Does NSN 7920-00-240-7178 contain precious materials?

Item does not contain precious metal.

Does NSN 7920-00-240-7178 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 7920-00-240-7178 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963