NSN C61-5259

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

1.250 inches nominal overall width, 2.625 inches nominal overall length, 1.047 inches nominal overall height.

NSN 5998-01-250-4839 Datasheet

(NSN) National Stock Number

5998-01-250-4839

(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

01-250-4839

Requires Demilitarization

Yes

(INC) Item Name Code

26088

Date

Mon, Mar 2, 1987

Schedule B Code

8542900000

Overall Height

1.047 inches nominal

Overall Length

2.625 inches nominal

Overall Width

1.250 inches nominal

Identification

Demilitarization Code

C - "usml or ccl military items - demil required. Remove and demilitarize installed key point(s) items as demil code "d". (note 4)."

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.

Source of Supply Code

S9E - Defense supply center columbus, columbus, oh 43218

Pseudo Item Name Code

0026088

Cross Reference

CAGE Codes

03487

Andrea Electronics Corporation

U.s./canadian manufacturers

Freight Information

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 5998-01-250-4839?

   The FSCG of the NSN 5998-01-250-4839 is 5998

2. Does the NSN 5998-01-250-4839 have a Schedule B code assigned?

   Yes, the Schedule B code is 8542900000

3. Does NSN 5998-01-250-4839 require demilitarization?

   "usml or ccl military items - demil required. Remove and demilitarize installed key point(s) items as demil code "d". (note 4)."

4. Does NSN 5998-01-250-4839 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 5998-01-250-4839 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 5998-01-250-4839 was assigned to the Federal Catalog?

   It was assigned 39 years ago, on Mon, Mar 2, 1987