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Optical Element Retainer NSN 1240-01-079-3051

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 1240-01-079-3051 NSN: 1240-01-079-3051

Features and Characteristics

Shoulder Diameter
1.344 inches
Shoulder Length
0.094 inches
Tapered Hole Minor Diameter
1.197 inches
Taper Angle In Deg
5.0
Width
0.060 inches
Overall Length
0.312 inches
Hole Or Slot Quantity
2
Depth
0.060 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread relief
Guide Location
Edge opposite drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Flange Thread Size
1.4375 in.-32
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Material
Aluminum alloy 2011
Material Specification
Qq-a-225/3, alloy 2011, t3 federal specification single material response
Surface Treatment
Anodize
Style Designator
Shouldered
Surface Treatment
Anodized, mil-a-8625, type 2, class 2
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
010793051
NSN
1240010793051

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12279244
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 1240-01-079-3051
What are the manufacturers of nsn 1240010793051?
Does this nsn 1240010793051 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240010793051
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 1240010793051 contain any precious metals?
No precious metal content.
Does nsn 1240010793051 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240010793051?
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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  •   Quality Inspected Parts
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