MC12548

View detailed technical data, stock status, and sourcing information for: MC12548
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-081-7872

Item Name Code

22113

Assigment Date

08/19/1979 (47 years ago)

0.630 inches minimum and 0.632 inches maximum flange diameter, 90.000 nominal seat angle in deg, 0.255 inches nominal under flange height, 0.690 inches nominal flange seat to disk end height, 0.530 inches nominal body outside diameter

Product Characteristics

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

Flange Diameter: 0.630 inches minimum and 0.632 inches maximum
Body Outside Diameter: 0.530 inches nominal
Flange Seat To Disk End Height: 0.690 inches nominal
Under Flange Height: 0.255 inches nominal
Seat Angle In Deg: 90.000 nominal
Seating Surface Shape: angular
Body Stepped Inside Diameter: 0.190 inches nominal second step
Body Stepped Inside Diameter: 0.313 inches nominal first step
Special Features: two holes 0.100 in. dia thru
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225,type2024-t351 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,type 2 mil spec single treatment response overall
Style Designator: plain flanged

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
MC12548	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-081-7872?

The FSCG of the NSN 4820-01-081-7872 is 4820

Does the NSN 4820-01-081-7872 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-081-7872 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 4820-01-081-7872 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-081-7872 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 4820-01-081-7872 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sun, Aug 19, 1979