6650-00-987-3220

Find complete technical information, availability, and procurement data for: 6650-00-987-3220
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6650 Components and Accessories Test Equipment Optical Instruments

National Stock Number

6650-00-987-3220

Item Name Code

21883

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.100 inches minimum and 0.120 inches maximum axial thickness, 1.5230 nominal and 1.5838 nominal refraction index, 45.0 angle in deg, 200 to 2400 meters,30 to 0 to 30 mils,5 to 0 to 5 mils scale calibration, 0.6210 inches minimum and 0.6240 inches maximum diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 0.6210 inches minimum and 0.6240 inches maximum
Angle In Deg: 45.0
Scale Calibration: 200 to 2400 meters,30 to 0 to 30 mils,5 to 0 to 5 mils
Axial Thickness: 0.100 inches minimum and 0.120 inches maximum
Refraction Index: 1.5230 nominal and 1.5838 nominal
Dispersion: 58.6 angstroms nominal and 46.0 angstroms nominal
Rim Finish: ground
Graduations/Markings: stadia-scale
Ammunition Identification Inscription: 106-t119e11
Bevel Depth And Location: 0.0100 inches minimum both surfaces and 0.0200 inches maximum both surfaces
Material: glass optical
Style Designator: vertically graduated
Supplementary Features: material optical glass per mil-g-174, grade c, type 523-586 and type 584-460
Fsc Application Data: telescope,elbow

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
8213863	Optical Instrument Reticle

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6650-00-987-3220?

The FSCG of the NSN 6650-00-987-3220 is 6650

Does the NSN 6650-00-987-3220 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-987-3220 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)"

Does NSN 6650-00-987-3220 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-987-3220 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.

When the NSN 6650-00-987-3220 was assigned to the Federal Catalog?

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