112-00

View detailed technical data, stock status, and sourcing information for: 112-00

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112-00
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-209-5126
Item Name Code
14218
Assigment Date
01/01/1963 (63 years ago)

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes:ring, externally threaded.

0.221 inches minimum and 0.231 inches maximum hole diameter, cadmium overall surface treatment, 0.462 inches minimum and 0.474 inches maximum outside diameter, steel overall material, 0.025 inches nominal material thickness

Product Characteristics

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

Hole Diameter
0.221 inches minimum and 0.231 inches maximum
Outside Diameter
0.462 inches minimum and 0.474 inches maximum
Material Thickness
0.025 inches nominal
Material
steel overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator
flat external teeth

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-012-5750 No Name Available 01/01/1980
5310-00-012-5754 No Name Available 09/01/1983

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
112-00 Lock Washer
125754 Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-209-5126?
The FSCG of the NSN 5310-00-209-5126 is 5310
Does the NSN 5310-00-209-5126 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-209-5126 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 5310-00-209-5126 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-209-5126 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 5310-00-209-5126 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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