3120-01-030-8729

Find complete technical information, availability, and procurement data for: 3120-01-030-8729
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-030-8729

Item Name Code

77777

Assigment Date

11/13/1976 (49 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.

aluminum alloy,qq-a-225/8 temper t6,chromate,0.1500 in. min 0.1550 in. max lg,0.5050 in. min 0.5100 in. max id,0.9839 in. min 0.9930 in. max od,0.7550 in. min 0.7650 in. max left end counterbored general characteristics item description

Product Characteristics

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

General Characteristics Item Description: aluminum alloy,qq-a-225/8 temper t6,chromate,0.1500 in. min 0.1550 in. max lg,0.5050 in. min 0.5100 in. max id,0.9839 in. min 0.9930 in. max od,0.7550 in. min 0.7650 in. max left end counterbored

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FAQs

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

What is the FSCG of the NSN 3120-01-030-8729?

The FSCG of the NSN 3120-01-030-8729 is 3120

Does NSN 3120-01-030-8729 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 3120-01-030-8729 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-030-8729 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 3120-01-030-8729 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Nov 13, 1976