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Optical Element Retainer NSN 1240-01-187-1085

Item Description

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

NSN 1240-01-187-1085 NSN: 1240-01-187-1085

Features and Characteristics

Hole Or Slot Quantity
12
Recess Diameter
2.190 inches
Recess Depth
1.190 inches
Drive Type
Drilled hole
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Special Features
Material is per astm-a569 or astm-a366; surface treatment is per tt-e-489
Material
Steel
Material
Steel
Surface Treatment
Enamel
Surface Treatment
Enamel, white
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
011871085
NSN
1240011871085

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12337485
Cage Code:
19207
Status:
A
MSDS:
Part Number:
A11900
Cage Code:
05584
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 1240-01-187-1085
What are the manufacturers of nsn 1240011871085?
Does this nsn 1240011871085 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240011871085
A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. it must have drilled holes or slots to facilitate assembly and disassembly. for items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. excludes ring, externally threaded.
Does nsn 1240011871085 contain any precious metals?
No precious metal content.
Does nsn 1240011871085 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240011871085?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22451
FIIG:
T271-K
App. Key:
KA
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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