Optical Instrument Window

NSN: 1240-00-531-3721 | Model: 248579PC1

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

1240-00-531-3721

DEMIL

Yes - ITAR Controlled (Code B)

Diameter

215.00 millimeters

Thickness

14.229 millimeters

Length

373.000 millimeters

Refraction Index

1.5230

Polished Surface

Both

Reflection Reducing Surface

Both

Polished Periphery

Not provided

Special Features

38.0 mm (1.4961 in.) radius on all four corners

Material

Glass, mil-g-16592, grade a

Fsc Application Data

Telescope, straight

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 1240-00-531-3721 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

248579PC1

Cage Codes:

Navair and Navsea Managed (CAGE 10001)

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

NSN Management Codes:

SOS
N35
AAC
D
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
1h-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,105.65 to $1,842.75..
Does NSN 1240-00-531-3721 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 1240-00-531-3721?
005313721 or 00-531-3721
Does NSN 1240-00-531-3721 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-531-3721?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963