Optical Instrument Window

NSN: 1240-00-599-9218 | Model: 8567556

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

NSN Properties and Flags

NATO Stock Number

1240-00-599-9218

DEMIL

Width

Between 24.9 millimeters and 25.4 millimeters

Thickness

Between 4.800 millimeters and 5.200 millimeters

Length

Between 62.740 millimeters and 63.240 millimeters

Surface Finish

Polished

Bevel Depth

0.510 millimeters

Refraction Index

Between 1.5160 and 1.5180

Polished Surface

Both

Dispersion

Between 64.000 angstroms and 65.000 angstroms

Reflection Reducing Surface

Both

Polished Periphery

Not provided

Bevel Angle In Deg

45.000

Special Features

Corners rounded 0.237in. Max 0.197in. Min. Radius; resolving power to be 30 sec of arc or better as used whenscanning clear aperture with a telescope of at least a 0.5in. Aperture; light deviation not to exceed plus or minus 2 min of arc; spherical power not toexceed 7 millidiopters; astigmatism not to exceed 3 millidiopters; surface quali type 80-50

Material

Glass, optical, jan-g-174, type 517-645, grade c

Material

Glass, optical, jan-g-174, type 517-645, grade c

Fsc Application Data

Sight periscope t42

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 1240-00-599-9218 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

8567556

Cage Codes:

Us Army Ardec Rdecom (CAGE 19200)

Schedule B & Trade:

Schedule B: 9803200000 (NAICS 990000)

Military equipments not identified by kind
SITC: 93100

Special transactions and commodities not classified according to kind
End Use: 50060

Military apparel and footwear

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

058110 - Optical goods or instruments noi
WCC:

744 - Optical goods
SHC:

9 - Other or no special handling required (sh)
ADC:

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

D - 200.0
LTL:

D - 200.0
ACC:

M - Medical supplies, equipment, samples, records, etc.
TCC:

Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 1240-00-599-9218 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 1240-00-599-9218?
005999218 or 00-599-9218
Does NSN 1240-00-599-9218 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-599-9218?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963