4820-01-680-8639

Find complete technical information, availability, and procurement data for: 4820-01-680-8639
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-680-8639

Item Name Code

20962

Assigment Date

05/23/2019 (7 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

2.34 inches face to face distance, threaded internal pipe all ends connection type, 0.500 inches valve size, manual valve operation method, 1.17 inches first connection face to centerline distance

Product Characteristics

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

Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Valve Size: 0.500 inches
Face To Face Distance: 2.34 inches
First Connection Face To Centerline Distance: 1.17 inches
Special Features: seat,body seal, stem seal stem bearing matyerial reinforced ptfe,
Material: steel comp 316 overall
Material: steel comp 316 stem
Style Designator: straight thru

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
156M-1/2	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-680-8639?

The FSCG of the NSN 4820-01-680-8639 is 4820

Does NSN 4820-01-680-8639 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 4820-01-680-8639 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-680-8639 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 4820-01-680-8639 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Thu, May 23, 2019