Optical Instrument Window

NSN: 1240-00-620-4979 | Model: 8200495

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

1240-00-620-4979

DEMIL

Yes - ITAR Controlled (Code D)

Diameter

Between 2.022 inches and 2.025 inches

Thickness

Between 0.418 inches and 0.458 inches

Bevel Depth

Between 0.020 inches and 0.030 inches

Refraction Index

1.5170

Polished Surface

Both

Dispersion

64.500 angstroms

Reflection Reducing Surface

Both

Polished Periphery

Not provided

Bevel Angle In Deg

Between 42.000 and 48.000

Material

Glass, optical, mil-g-174, grade b, type 517-645

Material

Glass, optical, mil-g-174, grade b, type 517-645

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M117T7560	2017-02-06	c0000	4 EA

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 1240-00-620-4979 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

8200495
8200495
8200495
1240006204979

Cage Codes:

General Scientific Corporation (CAGE 03829)
Us Army Ardec Rdecom (CAGE 19200)
Drs Network & Imaging Systems, Llc (CAGE 32865)
E.c.a Etablissement Central (CAGE A00AM)

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:

653 - Musical instruments
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.
LTL:

D - 200.0
ACC:

E - Engineer supplies, other than those listed under code b.
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
J
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
7
MGMT_CTL
Q2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $120.00 to $200.00..
Does NSN 1240-00-620-4979 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, U.s. Marine Corps, Austria, Spain, Morocco, Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 1240-00-620-4979?
006204979 or 00-620-4979
Does NSN 1240-00-620-4979 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-620-4979?
Solicitation SPE7M117T7560 for qty 4 on 01/26/2017
When was this national stock number assigned to the federal catalog?
Jan 01, 1963