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Optical Instrument Cell Assembly NSN 1270-00-397-7357

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 1270-00-397-7357 NSN: 1270-00-397-7357

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.719 inches
Overall Length
1.218 inches
Thread Size
3.875-32
Overall Diameter
4.062 inches
Screw Thread Series Designator
Uns
Thread Location
External
Eccentric Construction
Not provided
Optical Element Quantity
3
Optical Element Type
Single lens
Optical Element Controlling Agency
Usa
Optical Element Identifying Number
1.5170 part no. And 1.7200 part no. And 1.517 part no.
Material
Glass, optical
Material
Glass optical
Fsc Application Data
Aircraft gunnery fire control equipment
FSC
1270 Aircraft Gunnery Fire Control Components
NIIN
003977357
NSN
1270003977357

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
711041
Cage Code:
56232
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 1270-00-397-7357
What are the manufacturers of nsn 1270003977357?
Does this nsn 1270003977357 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1270003977357
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 1270003977357 contain any precious metals?
No precious metal content.
Does nsn 1270003977357 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1270003977357?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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