NSN 859A6BB

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.

automatic valve operation method, spring disk loading method, horizontal mounting position, poppet flow control device, straight thru style designator.

NSN 4820-00-142-2978 Datasheet

(NSN) National Stock Number

4820-00-142-2978

(FSG) Federal Supply Group

48 - Valves

(FSC) Federal Supply Classification

4820 - Nonpowered Valves

(NIIN) National Item Identification Number

00-142-2978

Requires Demilitarization

Yes

(INC) Item Name Code

05487

Date

Tue, Jan 1, 1963

Schedule B Code

8481309000

Disk Loading Method

spring

Flow Control Device

poppet

Mounting Position

horizontal

Style Designator

straight thru

Valve Operation Method

automatic

Identification

Demilitarization Code

A - 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.

Precious Metals Indicator

U - Precious metal content is unknown

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

Cross Reference

CAGE Codes

91816

Circor Aerospace, Inc. Dba Circor Aerospace Inc

U.s./canadian manufacturers

Freight Information

Air Commodity

VZ -

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

National Motor Freight Class Rating

W - Rating variable

Special Handling

9 - Other or no special handling required (sh)

Type of Cargo

Z - No special type of cargo code applicable

Uniform Freight Classification Item Number

29300

Water Commodity

576 - Metal and metal products, nos, (less than 35 feet)

National Motor Freight Classification Item Number

051080

Schedule B & Trade

Schedule B

8481-30-9000

Description

check valves of materials other than copper, iron or steel

End Use

21180 - Industrial machines, other

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

74730

(NAICS) North American Industrial Classification System

332911

Questions & Answers

1. What is the FSCG of the NSN 4820-00-142-2978?

   The FSCG of the NSN 4820-00-142-2978 is 4820

2. Does the NSN 4820-00-142-2978 have a Schedule B code assigned?

   Yes, the Schedule B code is 8481309000

3. Does NSN 4820-00-142-2978 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.

4. Does NSN 4820-00-142-2978 contain precious materials?

   Precious metal content is unknown

5. Does NSN 4820-00-142-2978 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.

6. When the NSN 4820-00-142-2978 was assigned to the Federal Catalog?

   It was assigned 63 years ago, on Tue, Jan 1, 1963