NSN 1240-00-599-9218 NIIN 005999218 — Optical Instrument Window

NSN
Item Name
Assigned
DEMIL
Shelf Life
UOM
Using Services
NSN:
1240-00-599-9218
1240005999218
Description:
WINDOW,OPTICAL INSTRUMENT
NSN Assigned:
01-JAN-63
DEMIL:
NO
Shelf Life:
N/A
UOM:
--
Using Services:
--

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

1240-00-599-9218 Specification Set by the OEM (see RNCC code 3)

Width ABGL:

24.9 mm and 25.4 mm

Thickness ABNM:

4.800 mm and 5.200 mm

Length ABRY:

62.740 mm and 63.240 mm

Surface Finish AGYE:

polished

Bevel Depth AJEF:

0.510 mm

Refraction Index BMMX:

1.5160 and 1.5180

Polished Surface BMSG:

both

Dispersion BMSH:

64.000 angstroms and 65.000 angstroms

Reflection Reducing Surface BMSK:

both

Polished Periphery BMSM:

not provided

Bevel Angle In Deg BMSP:

45.000

Special Features FEAT:

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 quality 80-50

Material MATL:

glass, optical, JAN-G-174, type 517-645, grade c

Iii Material MATT:

glass, optical, JAN-G-174, type 517-645, grade c

Fsc Application Data ZZZV:

sight periscope T42

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
8567556
Cage Code:
19200
RNCC:
3
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10908
FIIG:
T271-F
Concept No.:
App. Key:
FA
Cond. Code:
2
Status:
A

Definition Definition of approved item name (AIN): "WINDOW,OPTICAL INSTRUMENT"

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.

1240-00-599-9218 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

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

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

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

  Identification Codes

HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.

PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.