1841756-1

View detailed technical data, stock status, and sourcing information for: 1841756-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-938-6631

Item Name Code

13206

Assigment Date

03/21/1967 (59 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.1240 inches minimum and 0.1340 inches maximum body outside diameter, 0.0630 inches minimum and 0.0680 inches maximum body inside diameter, 0.2030 inches minimum and 0.2330 inches maximum flange outside diameter, 0.0200 inches minimum and 0.0350 inches maximum flange width, 0.0570 inches minimum and 0.0670 inches maximum overall length

Product Characteristics

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

Overall Length: 0.0570 inches minimum and 0.0670 inches maximum
Body Outside Diameter: 0.1240 inches minimum and 0.1340 inches maximum
Body Inside Diameter: 0.0630 inches minimum and 0.0680 inches maximum
Flange Outside Diameter: 0.2030 inches minimum and 0.2330 inches maximum
Flange Width: 0.0200 inches minimum and 0.0350 inches maximum
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Material: plastic polyamide (nylon) overall
Style Designator: solid, external flange one end

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
1841756-1	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-938-6631?

The FSCG of the NSN 3120-00-938-6631 is 3120

Does the NSN 3120-00-938-6631 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-938-6631 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 3120-00-938-6631 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-938-6631 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 3120-00-938-6631 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Mar 21, 1967