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4820-01-017-2601

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-017-2601
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05487
(FIIG) Federal Item Identification Guide
A530B0
Date
03/05/1976 (50 years ago)

threaded external tube 1st end connection type, flared (tube) 1st end connection style, right-hand 1st end thread direction, 3a 1st end thread class, 37.0 degrees 1st end seat angle

Specs & Compatibility

Thread Class

3a 1st end

Thread Direction

right-hand 1st end

Connection Style

flared (tube) 1st end

Connection Type

threaded external tube 1st end

Seat Angle

37.0 degrees 1st end

Nominal Outside Diameter Tube Accommodated

0.500 inches 1st end

Style Designator

straight thru

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005487

Related Hardware Products

Part Number Description
4048T65 Check Valve
4048T65P01 Check Valve
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Frequently Asked Questions

What is the FSCG of the NSN 4820-01-017-2601?
The FSCG of the NSN 4820-01-017-2601 is 4820
Does NSN 4820-01-017-2601 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 4820-01-017-2601 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-017-2601 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 4820-01-017-2601 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Fri, Mar 5, 1976