NSN 7577959

A portable instrument consisting of a calibrated illuminated flowmeter, built-in alarms for power failure and high/low pressure, filters to remove dust, bacteria, and other particulates, and also provides for the attachment of an in-line humidifier to humidify gas mixture delivered to the patient. It is designed for use in producing oxygen-rich gas mixture by drawing in room air and extracting oxygen.

0.768 inches nominal compound lens overall axial thickness, 0.468 inches nominal and 0.295 inches nominal axial thickness, 0.884 inches nominal compound lens edge thickness, 57.400 and 33.800 abbe constant, 5.124 inches back focal length.

NSN 6650-00-757-7959 Datasheet

(NSN) National Stock Number

6650-00-757-7959

(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

00-757-7959

Requires Demilitarization

Yes

(INC) Item Name Code

21884

Date

Mon, Jan 1, 1962

Schedule B Code

9018500000

Abbe Constant

57.400 and 33.800

Back Focal Length

5.124 inches

Axial Thickness

0.468 inches nominal and 0.295 inches nominal

Compound Lens Edge Thickness

0.884 inches nominal

Compound Lens Overall Axial Thickness

0.768 inches nominal

Compound Lens Style

doublet

Diameter

1.343 inches nominal

Element Left Surface Radius

-98.717 inches and 1.376 inches

Element Right Surface Radius

-98.717 inches and -0.910 inches

Equivalent Focal Length

6.390 inches

Fsc Application Data

periscope,integrated with fire control equipment

Individual Lens Style

plano-convex and plano-concave

Length

0.884 inches nominal

Material Document And Classification

jan-g-174, grade c mil spec single material response

Material

glass optical

Refraction Index

1.5725 nominal and 1.6490 nominal

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

0021884

Cross Reference

CAGE Codes

19200

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate

Government departments or units, including military organizations

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 6650-00-757-7959?

   The FSCG of the NSN 6650-00-757-7959 is 6650

2. Does the NSN 6650-00-757-7959 have a Schedule B code assigned?

   Yes, the Schedule B code is 9018500000

3. Does NSN 6650-00-757-7959 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 6650-00-757-7959 contain precious materials?

   Precious metal content is unknown

5. Does NSN 6650-00-757-7959 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 6650-00-757-7959 was assigned to the Federal Catalog?

   It was assigned 64 years ago, on Mon, Jan 1, 1962