ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Optical Element Retaining Ring NSN 1240-00-768-8772

Item Description

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

NSN 1240-00-768-8772 NSN: 1240-00-768-8772

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Groove Diameter
Between 1.435 inches and 1.445 inches
Thread Length
0.187 inches
Overall Length
0.300 inches
Outside Diameter
Between 1.525 inches and 1.535 inches
Thread Size
1.430 in.-48
Aperture Diameter
Between 1.197 inches and 1.203 inches
Inner Groove Width
Between 0.053 inches and 0.073 inches
Screw Thread Series Designator
Uns
Mounting Configuration
Internal thread
Thread Location
Internal
Internal Flange Thickness
Between 0.045 inches and 0.055 inches
Groove Location
Adjacent to internal flange
Knurled Periphery
Not provided
Special Features
Chamfer0.019 in by 30 degrees on id qf flange end. One slot 0.063 in wide, 0.070 in deep by 45 degrees on face of flange end
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Surface Treatment
Anodized, mil-a-8625, type 1, class 2, black
Surface Treatment
Anodized, mil-a-8625, type 1, class 2, black
Fsc Application Data
Periscope, tank
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
007688772
NSN
1240007688772

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7688772
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 1240-00-768-8772
What are the manufacturers of nsn 1240007688772?
Does this nsn 1240007688772 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240007688772
A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. it may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. for externally threaded items, see retainer, optical element. excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.
Does nsn 1240007688772 contain any precious metals?
Precious metal content is unknown.
Does nsn 1240007688772 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240007688772?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22585
FIIG:
T271-J
App. Key:
JC
Cond. Code:
2
Status:
A

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo