12278920-2

View detailed technical data, stock status, and sourcing information for: 12278920-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-135-4979

Item Name Code

03263

Assigment Date

07/24/1982 (43 years ago)

A resilient rubber item, designed to be attached to the viewing aperture of an optical instrument, to maintain proper eye distance and to protect the eye(s) of the observer from stray light, wind, and/or injury due to shock of gun fire or similar disturbances. Excludes:visor, periscope.

straight shank style, spline shaft accommodation style, nondetachable skirt design, stepped skirt style, elev reference marking

Product Characteristics

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

Shank Style: straight
Shaft Accommodation Style: spline
Skirt Style: stepped
Reference Marking: elev
Skirt Design: nondetachable
Special Features: attachment method: retainer plate
Style Designator: round

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
12278920-2	Knob
5355011354979	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-135-4979?

The FSCG of the NSN 5355-01-135-4979 is 5355

Does the NSN 5355-01-135-4979 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-135-4979 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 5355-01-135-4979 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-135-4979 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 5355-01-135-4979 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jul 24, 1982