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Optical Instrument Cell Assembly NSN 1270-00-169-6953

Item Description

An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.

NSN 1270-00-169-6953 NSN: 1270-00-169-6953

Features and Characteristics

Thread Class
3a and 3b
Thread Direction
Right-hand and right-hand
Thread Length
0.172 inches and 0.095 inches
Overall Length
Between 0.202 inches and 3.207 inches
Thread Size
1.812-24 and 1.500-48
Overall Diameter
Between 1.930 inches and 1.940 inches
Screw Thread Series Designator
Uns and uns
Accessory Components And Quantity
Gasket 1, packing, preformed 1, retainer 1
Thread Location
External and internal
Eccentric Construction
Not provided
Cell Controlling Agency
Frankford arsenal
Cell Identifying Number
10553345 part no.
Optical Element Quantity
1
Optical Element Type
Filter
Optical Element Controlling Agency
Frankford arsenal
Optical Element Identifying Number
10553332 part no.
Special Features
Cell surface treatment mil-a-8625, type 2, class 2, dyed black. Drilled face drive.
Material
Aluminum alloy, ww-t-700/3, alloy 2024, t3
Material
Aluminum alloy 2024
Material Specification
Ww-t-700/3, alloy 2024, t3 federal specification single material response
Fsc Application Data
Sight, reflex xm73, xm73e1
FSC
1270 Aircraft Gunnery Fire Control Components
NIIN
001696953
NSN
1270001696953

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10553335
Cage Code:
19200
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1270-00-169-6953
What are the manufacturers of nsn 1270001696953?
Does this nsn 1270001696953 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1270001696953
An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. may include retaining rings, spacers, and/or separators. for items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.
Does nsn 1270001696953 contain any precious metals?
No precious metal content.
Does nsn 1270001696953 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1270001696953?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22197
FIIG:
T271-J
App. Key:
JA
Cond. Code:
2
Status:
A

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