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

Optical Element Retainer NSN 1240-01-333-0257

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 1240-01-333-0257 NSN: 1240-01-333-0257

Features and Characteristics

Hole Diameter
Between 1.095 inches and 1.105 inches
Width
Between 0.050 inches and 0.070 inches
Overall Length
Between 0.235 inches and 0.245 inches
Hole Or Slot Quantity
4
Recess Diameter
Between 1.095 inches and 1.105 inches
Thread Size
1 5/16-32
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
90.0
Guide Design
Thread chamfer
Guide Location
Edge opposite drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Hole Chamfer Angle In Deg
23.25
Hole Chamfer Diameter
Between 1.255 inches and 1.260 inches
Material
Steel, corrosion resisting
Material
Stainless steel
Surface Treatment
Anodize
Style Designator
Recessed
Surface Treatment
Anodized, mil-a-8625
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
013330257
NSN
1240013330257

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13230992-2
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 1240-01-333-0257
What are the manufacturers of nsn 1240013330257?
Does this nsn 1240013330257 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240013330257
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 1240013330257 contain any precious metals?
No precious metal content.
Does nsn 1240013330257 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240013330257?
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

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