2640-666X1ASSYAX

View detailed technical data, stock status, and sourcing information for: 2640-666X1ASSYAX
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 2640-666X1ASSYAX to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-929-1075

Item Name Code

20962

Assigment Date

09/02/1966 (59 years ago)

1.500 inches 1st end nominal pipe size accommodated, plain (pipe) 1st end connection style, right-hand 2nd end thread direction, 2a 2nd end thread class, external seat for gasket seal (boss) 2nd end connection style

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.500 inches 1st end
Thread Class: 2a 2nd end
Thread Direction: right-hand 2nd end
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: plain (pipe) 1st end
Valve Operation Method: manual
Connection Type: threaded external boss 2nd end
Connection Type: unthreaded external pipe 1st end
Thread Quantity Per Inch: 12 2nd end
Maximum Operating Pressure: 4500.0 pounds per square inch single response
Nominal Thread Size: 3.750 inches 2nd end
Criticality Code Justification: zzzy
Material: nickel alloy 400 body
Material: nickel alloy 400 flow control device
Style Designator: straight thru
Thread Series Designator: un 2nd end
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

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
2640-666X1ASSYAX	Ball Valve
2640-666X1ASSYAXL1	Ball Valve
SS845-2180713ASSYAX	Ball Valve
SS845-2180713ASSYAXL1	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-929-1075?

The FSCG of the NSN 4820-00-929-1075 is 4820

Does the NSN 4820-00-929-1075 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-00-929-1075 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 4820-00-929-1075 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-929-1075 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 4820-00-929-1075 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Sep 2, 1966