Optical Instrument Window

NSN: 1240-00-580-0635 | Model: 8298401

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

1240-00-580-0635

DEMIL

Yes - ITAR Controlled (Code D)

Width

1.312 inches

Thickness

Between 0.302 inches and 0.332 inches

Length

4.307 inches

Bevel Depth

0.125 inches

Polished Surface

Both

Reflection Reducing Surface

Both

Polished Periphery

Not provided

Bevel Angle In Deg

30.000

Criticality Code Justification

Feat

Special Features

Light deviation not to exceed 3 min of arc plus astigmatism not to exceed 20 millidiopters

Material

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

Material

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

Fsc Application Data

Fire control periscope

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 1240-00-580-0635 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

8298401

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 but does have other critical featur (s) such as tolerance, fit restrictions or application.

Freight Information:

NMFC:

086700 - Glass, flat, noi
WCC:

704 - Glass or glass items
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.
ACC:

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

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
V
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
7
MGMT_CTL
11b2---
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 $98.58 to $164.30..
Does NSN 1240-00-580-0635 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 Navy, and Austria
What is the NIIN of NSN 1240-00-580-0635?
005800635 or 00-580-0635
Does NSN 1240-00-580-0635 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-580-0635?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963