MC12250

View detailed technical data, stock status, and sourcing information for: MC12250
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-515-0684

Item Name Code

15933

Assigment Date

08/07/1974 (52 years ago)

A straight nonfluid fitting with wrenching facilities on one end and external threads, other than pipe or hose series, on the other end. It has an unthreaded through hole in its axis which may be countersunk and/or counterbored on one or both ends. It is designed to accommodate a shaft, or the like, or used to reinforce a hole in a bulkhead, or the like. For similar items specifically designed for use in a stuffing box, see packing nut. For nonfluid items with an internal thread, see insert, screw thread; or adapter bushing. Excludes:reducer, boss; and items designed to accommodate a tube or tube fitting.

0.140 inches nominal overall height, 0.250 inches nominal hole diameter, 0.071 inches minimum and 0.081 inches maximum recess depth, 0.088 inches minimum and 0.090 inches maximum material thickness, 0.556 inches minimum and 0.560 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 0.250 inches nominal
Outside Diameter: 0.556 inches minimum and 0.560 inches maximum
Overall Height: 0.140 inches nominal
Recess Depth: 0.071 inches minimum and 0.081 inches maximum
Material Thickness: 0.088 inches minimum and 0.090 inches maximum
Material: steel comp 303 or steel comp 416 overall
Material Document And Classification: astm a 582 assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mcp 5 fscm 76050 mfr ref single treatment response overall
Style Designator: recessed

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
10121438	Recessed Washer
MC12250	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-515-0684?

The FSCG of the NSN 5310-00-515-0684 is 5310

Does the NSN 5310-00-515-0684 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-515-0684 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 5310-00-515-0684 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-515-0684 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 5310-00-515-0684 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, Aug 7, 1974