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Optical Element Cell NSN 1270-01-171-6931

Item Description

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

NSN 1270-01-171-6931 NSN: 1270-01-171-6931

Features and Characteristics

Thread Class
2a
Thread Pitch Diameters
+1.4127/+1.4130 inches
Thread Direction
Right-hand
Thread Length
0.320 inches
Overall Length
0.340 inches
Thread Size
1 7/16-28
Overall Diameter
1.438 inches
Screw Thread Series Designator
Un
Drive Type
Slotted drive on periphery
Thread Location
External
Eccentric Construction
Not provided
Chamfer Location
Drive end
Chamfer Size
0.020 in.By 45 deg
Element Securing Method
Retainer ring
Material
Plastic, polyphenylene oxide, mil-p-46131, type 3, class 1
Material
Plastic, polyphenylene oxide, mil-p-46131, type 3, class 1
FSC
1270 Aircraft Gunnery Fire Control Components
NIIN
011716931
NSN
1270011716931

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13074828
Cage Code:
04939
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 1270-01-171-6931
What are the manufacturers of nsn 1270011716931?
Does this nsn 1270011716931 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1270011716931
A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Does nsn 1270011716931 contain any precious metals?
No precious metal content.
Does nsn 1270011716931 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1270011716931?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
21859
FIIG:
T271-J
App. Key:
JB
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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