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Optical Instrument Cell Assembly NSN 1270-00-890-0723

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 1270-00-890-0723 NSN: 1270-00-890-0723

Features and Characteristics

Thread Class
2a
Thread Pitch Diameters
+4.3487/+4.3533 inches
Thread Direction
Right-hand
Thread Length
0.280 inches
Overall Height
4.160 inches
Thread Size
4 3/8-32
Screw Thread Series Designator
Uns
Accessory Components And Quantity
Retainer, optical element 1
Thread Location
External
Eccentric Construction
Not provided
Optical Element Quantity
2
Material
Aluminum alloy, qq-a-268, t351-canceled
Material
Aluminum alloy 2024
Material Specification
Qq-a-268, t351-canceled federal specification single material response
FSC
1270 Aircraft Gunnery Fire Control Components
NIIN
008900723
NSN
1270008900723

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
539D786P1
Cage Code:
89954
Status:
A
MSDS:
Part Number:
1786
Cage Code:
24851
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 1270-00-890-0723
What are the manufacturers of nsn 1270008900723?
Does this nsn 1270008900723 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1270008900723
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 1270008900723 contain any precious metals?
No precious metal content.
Does nsn 1270008900723 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1270008900723?
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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