NSN 533498-4

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.

1.171 inches nominal diameter, -3.046 inches element right surface radius, 4.093 inches element left surface radius, 3.362 inches equivalent focal length, 0.171 inches nominal axial thickness.

NSN 6650-00-237-4075 Datasheet

(NSN) National Stock Number

6650-00-237-4075

(FSG) Federal Supply Group

66 - Instruments and Laboratory Equipment

(FSC) Federal Supply Classification

6650 - Components and Accessories Test Equipment Optical Instruments

(NIIN) National Item Identification Number

00-237-4075

Requires Demilitarization

Yes

(INC) Item Name Code

21884

Date

Wed, Nov 4, 1970

Schedule B Code

9018500000

Axial Thickness

0.171 inches nominal

Diameter

1.171 inches nominal

Element Left Surface Radius

4.093 inches

Element Right Surface Radius

-3.046 inches

Equivalent Focal Length

3.362 inches

Material Document And Classification

mil-g-174, class 1, grade b mil spec single material response

Material

glass optical

Single Lens Style

double convex

Identification

Demilitarization Code

Q - "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

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

0021884

Cross Reference

CAGE Codes

96214

Raytheon Company Dba Raytheon

U.s./canadian manufacturers

Freight Information

Air Commodity

MZ -

Air Dimension

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

Less than Carload Rating

W - Rating variable

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

33020

Water Commodity

744 - Optical goods

National Motor Freight Classification Item Number

057940

Schedule B & Trade

Schedule B

9018-50-0000

Description

other ophthalmic instruments and appliances and parts and accessories

End Use

21610 - Medicinal equipment

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

87225

(NAICS) North American Industrial Classification System

339115

Questions & Answers

1. What is the FSCG of the NSN 6650-00-237-4075?

   The FSCG of the NSN 6650-00-237-4075 is 6650

2. Does the NSN 6650-00-237-4075 have a Schedule B code assigned?

   Yes, the Schedule B code is 9018500000

3. Does NSN 6650-00-237-4075 require demilitarization?

   "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

4. Does NSN 6650-00-237-4075 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 6650-00-237-4075 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 6650-00-237-4075 was assigned to the Federal Catalog?

   It was assigned 55 years ago, on Wed, Nov 4, 1970