NSN 21B2-6-3

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

0.125 inches nominal overall height, unable to decode mounting facility type and quantity, 3.000 inches nominal overall length, copper alloy 172 material, qq-c-533 fed spec single material response material document and classification.

NSN 5998-01-285-6694 Datasheet

(NSN) National Stock Number

5998-01-285-6694

(FSG) Federal Supply Group

59 - Electrical and Electronic Equipment Components

(FSC) Federal Supply Classification

5998 - Electrical and Electronic Assemblies, Boards, Cards and Associated Hardware

(NIIN) National Item Identification Number

01-285-6694

Requires Demilitarization

Yes

(INC) Item Name Code

31930

Date

Sun, Sep 18, 1988

Schedule B Code

8542900000

Material Document And Classification

qq-c-533 fed spec single material response

Material

copper alloy 172

Mounting Facility Type And Quantity

unable to decode

Overall Height

0.125 inches nominal

Overall Length

3.000 inches nominal

Overall Width

0.190 inches nominal

Surface Treatment Document And Classification

qq-p-416,class 2,type 2 fed spec single treatment response

Surface Treatment

cadmium

Unthreaded Mounting Hole Diameter

unable to decode

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

A - Item does not contain precious metal.

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

0031930

Cross Reference

CAGE Codes

17981

Sci Systems Inc

U.s./canadian manufacturers

A486G

Nimikkeistokeskus Ncb Finland

Government departments or units, including military organizations

61081

Schroff Inc

U.s./canadian manufacturers

53711

Naval Sea Systems Command

U.s./canadian manufacturers

50027

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems

U.s./canadian manufacturers

Freight Information

Air Commodity

HZ -

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

34580

Water Commodity

72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

National Motor Freight Classification Item Number

061045

Schedule B & Trade

Schedule B

8542-90-0000

Description

electronic integrated circuits and microassembly parts

End Use

21320 - Semiconductors

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

77689

(NAICS) North American Industrial Classification System

334413

Questions & Answers

1. What is the FSCG of the NSN 5998-01-285-6694?

   The FSCG of the NSN 5998-01-285-6694 is 5998

2. Does the NSN 5998-01-285-6694 have a Schedule B code assigned?

   Yes, the Schedule B code is 8542900000

3. Does NSN 5998-01-285-6694 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 5998-01-285-6694 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 5998-01-285-6694 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 5998-01-285-6694 was assigned to the Federal Catalog?

   It was assigned 38 years ago, on Sun, Sep 18, 1988