1S-1661-5

View detailed technical data, stock status, and sourcing information for: 1S-1661-5
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-236-4696

Item Name Code

35374

Assigment Date

07/17/1986 (40 years ago)

A device designed to allow ventilation without excessive drafts. It may consist of either a deflector or louvers, stationary or adjustable to deflect the direction of air flow. Excludes:items with fans.

steel material, 2.500 inches valve size for which designed, angle valve type for which designed

Product Characteristics

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

Valve Type For Which Designed: angle
Valve Size For Which Designed: 2.500 inches
Material: steel

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
1S-1661-5	Valve Cap
1S-1661-5 PIECE 18	Valve Cap
425-5-18	Valve Cap

FAQs

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

What is the FSCG of the NSN 4820-01-236-4696?

The FSCG of the NSN 4820-01-236-4696 is 4820

Does the NSN 4820-01-236-4696 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-236-4696 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 4820-01-236-4696 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-236-4696 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 4820-01-236-4696 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Jul 17, 1986