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Optical Element Retainer

NSN: 1240-01-321-0251 | Model: 799204832-001
ITAR Registered seal

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 elemen (s) , and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

NSN Properties and Flags
NATO Stock Number
1240-01-321-0251
DEMIL
Yes - ITAR Controlled (Code B)
Hole Diameter
0.750 inches
Overall Length
0.400 inches
Drive Type
Knurl
Material
Plastic
Material
Plastic

Pricing and Availability

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NSN 1240-01-321-0251 Datasheet

Supply Class (FSC):
Optical Sighting And Ranging Equipment
Cross Reference:
  • 799204832-001
Cage Codes:
  • Lockheed Martin Corporation (CAGE 04939)
Schedule B & Trade:
  • Schedule B: 9803200000 (NAICS 990000)

    Military equipments not identified by kind

  • SITC: 93100

    Special transactions and commodities not classified according to kind

  • End Use: 50060

    Military apparel and footwear

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 1240-01-321-0251 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Canada
What is the NIIN of NSN 1240-01-321-0251?
013210251 or 01-321-0251
Does NSN 1240-01-321-0251 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-01-321-0251?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 07, 1990