4820-01-166-4151

Find complete technical information, availability, and procurement data for: 4820-01-166-4151
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-166-4151

Item Name Code

77777

Assigment Date

11/11/1983 (42 years ago)

b-1b end item identification, aluminum alloy per qq-a-200/3 2024-t8511; 0.906 in. lg,0.9375-20 unjef-3a threads one end 0.375 in. lg,unthreaded od 0.797 in. min 0.798 in. max with 0.245 in. min 0.255 in. max wide groove to depth 0.620 in. min 0.622 in. max od,hex opening at threaded end 0.562 in. across flats x 0.270 in. deep,0.250 in. x 0.480 in. deep bore,0.510 in. min 0.520 in. max x 0.290 in. deep counterbore at end opposite threads 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.

End Item Identification: b-1b
General Characteristics Item Description: aluminum alloy per qq-a-200/3 2024-t8511; 0.906 in. lg,0.9375-20 unjef-3a threads one end 0.375 in. lg,unthreaded od 0.797 in. min 0.798 in. max with 0.245 in. min 0.255 in. max wide groove to depth 0.620 in. min 0.622 in. max od,hex opening at threaded end 0.562 in. across flats x 0.270 in. deep,0.250 in. x 0.480 in. deep bore,0.510 in. min 0.520 in. max x 0.290 in. deep counterbore at end opposite threads

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
L5871061-003	Valve Retainer

FAQs

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

What is the FSCG of the NSN 4820-01-166-4151?

The FSCG of the NSN 4820-01-166-4151 is 4820

Does the NSN 4820-01-166-4151 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-166-4151 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 4820-01-166-4151 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-166-4151 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 4820-01-166-4151 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Nov 11, 1983