42008AA

View detailed technical data, stock status, and sourcing information for: 42008AA
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-178-5920

Item Name Code

35224

Assigment Date

05/07/1984 (42 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

2.946 inches nominal outside diameter, gasoline or fuel, jet media for which designed, butterfly valve 125411a end item identification, splined mtg stem one end 0.37 in. dia 0.30 in. l,plain mtg stem 0.37 in. dia reduced to 0.250 in. max dia 0.23 in. l; overall lg of butterfly disk 4.180 - 4.195 in. special features, aluminum alloy material

Product Characteristics

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

Outside Diameter: 2.946 inches nominal
End Item Identification: butterfly valve 125411a
Special Features: splined mtg stem one end 0.37 in. dia 0.30 in. l,plain mtg stem 0.37 in. dia reduced to 0.250 in. max dia 0.23 in. l; overall lg of butterfly disk 4.180 - 4.195 in.
Material: aluminum alloy
Media For Which Designed: gasoline or fuel, jet
Style Designator: solid

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
42008AA	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-178-5920?

The FSCG of the NSN 4820-01-178-5920 is 4820

Does the NSN 4820-01-178-5920 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-178-5920 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-178-5920 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-178-5920 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 4820-01-178-5920 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, May 7, 1984