87643-6503 ITEM 26

View detailed technical data, stock status, and sourcing information for: 87643-6503 ITEM 26
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-220-5758

Item Name Code

77777

Assigment Date

11/16/1985 (40 years ago)

nickel-copper alloy,qq-n-281,cl a,form 1; hex shape,3.250 in. w across flats,0.625 in. o/a h,1.770 min 1.780 max in. w across inside flats; with six 0.281 in. dia holes,equally spaced on 2.500 in. dia bolt circle general characteristics item description

Product Characteristics

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

General Characteristics Item Description: nickel-copper alloy,qq-n-281,cl a,form 1; hex shape,3.250 in. w across flats,0.625 in. o/a h,1.770 min 1.780 max in. w across inside flats; with six 0.281 in. dia holes,equally spaced on 2.500 in. dia bolt circle

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
501-4675661 ITEM 26	Valve Locking Plate
87643-6503 ITEM 26	Valve Locking Plate

FAQs

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

What is the FSCG of the NSN 4820-01-220-5758?

The FSCG of the NSN 4820-01-220-5758 is 4820

Does NSN 4820-01-220-5758 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 4820-01-220-5758 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-220-5758 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 4820-01-220-5758 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Nov 16, 1985