NSN LD172589PC50

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

63.500 and 33.800 abbe constant, 0.401 inches nominal compound lens edge thickness, 7.331 inches back focal length, 0.571 inches nominal compound lens overall axial thickness, 0.394 inches nominal and 0.177 inches nominal axial thickness.

NSN 6650-00-382-1835 Datasheet

(NSN) National Stock Number

6650-00-382-1835

(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

00-382-1835

Requires Demilitarization

Yes

(INC) Item Name Code

21884

Date

Tue, Jan 1, 1963

Schedule B Code

9018500000

Abbe Constant

63.500 and 33.800

Back Focal Length

7.331 inches

Axial Thickness

0.394 inches nominal and 0.177 inches nominal

Compound Lens Edge Thickness

0.401 inches nominal

Compound Lens Overall Axial Thickness

0.571 inches nominal

Compound Lens Style

doublet

Diameter

2.087 inches nominal

Element Left Surface Radius

-3.183 inches and 4.921 inches

Element Right Surface Radius

-3.183 inches and -8.941 inches

Equivalent Focal Length

7.587 inches

Front Focal Length

7.468 inches

Fsc Application Data

fire control,telescope,mk91,mod

Individual Lens Style

double convex and meniscus diverging

Material Document And Classification

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

Material

glass optical

Refraction Index

1.5110 nominal and 1.6490 nominal

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.

Source of Supply Code

S9G - Defense supply center richmond, virginia 23297

Pseudo Item Name Code

0021884

Cross Reference

CAGE Codes

10001

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

U.s./canadian manufacturers

09624

Buhl Optical Co

U.s./canadian manufacturers

53711

Naval Sea Systems Command

U.s./canadian manufacturers

Freight Information

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 6650-00-382-1835?

   The FSCG of the NSN 6650-00-382-1835 is 6650

2. Does the NSN 6650-00-382-1835 have a Schedule B code assigned?

   Yes, the Schedule B code is 9018500000

3. Does NSN 6650-00-382-1835 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 6650-00-382-1835 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 6650-00-382-1835 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 6650-00-382-1835 was assigned to the Federal Catalog?

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