4921K34

View detailed technical data, stock status, and sourcing information for: 4921K34
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-643-5330

Item Name Code

16988

Assigment Date

04/06/2015 (11 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

150.0 pounds per square inch single response maximum operating pressure, mrap buffalo mk2a2 end item identification, 0.375 inches all ends nominal pipe size accommodated, 250.0 fahrenheit single response maximum operating temp, manual valve operation method

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: 0.375 inches all ends
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: mrap buffalo mk2a2
Valve Operation Method: manual
Maximum Operating Pressure: 150.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: drain-handle brass stop cock
Style Designator: straight thru
Supplementary Features: material: body is brass; height: 1.25 inches; temperature range: -65 degrees f to 250 degrees f; maximum pressure: 150 psi at 250 degrees f; wing-nut handle - external seal; connection: npt male; outer connection vented to atmosphere; use for water and oil only

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
4921K34	Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-643-5330?

The FSCG of the NSN 4820-01-643-5330 is 4820

Does the NSN 4820-01-643-5330 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-643-5330 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 4820-01-643-5330 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-643-5330 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 4820-01-643-5330 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Mon, Apr 6, 2015