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Optical Element Retaining Ring

NSN: 5855-01-039-2842 | Model: SM-D-850427-1
ITAR Registered seal

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 Properties and Flags
NATO Stock Number
5855-01-039-2842
DEMIL
Yes - ITAR Controlled (Code B)
Groove Diameter
Between 1.460 inches and 1.480 inches
Overall Length
Between 0.260 inches and 0.280 inches
Outside Diameter
Between 3.260 inches and 3.280 inches
Aperture Diameter
Between 2.562 inches and 2.565 inches
Inner Groove Width
Between 0.540 inches and 0.560 inches
End Application
5855-00-906-0994 night vision sightunit an/tvs-4
Internal Flange Thickness
0.104 inches
Knurled Periphery
Not provided
Material
Aluminum alloy, 6061
Material
Aluminum alloy 6061
Surface Treatment
Dull black

Parts List for Night Vision Sight  

Other components in the assembly of NSN 5855-00-906-0994

Pricing and Availability

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NSN 5855-01-039-2842 Datasheet

Supply Class (FSC):
Emitted And Reflected Radiation Night Vision Equipment
Cross Reference:
  • SM-D-850427-1
  • SM-D-850427
  • SM-D-850427-1
  • SM-D-850427
  • SM-D-850427-1
Cage Codes:
  • Valcore Manufacturing Llc (CAGE 04YE2)
  • Us Army Communications & (CAGE 80063)
  • Military Standards (CAGE 96906)
  • Valcore Manufacturing Llc (CAGE 20723)
Replacements:
  • 5855-01-039-2842 replaces 5855-01-452-7036
Schedule B & Trade:
  • Schedule B: 9014900000 (NAICS 334511)

    Parts & accessories for direction finding compasses and other navigational instruments and appliances

  • SITC: 87412

    Parts and accessories of navigational instruments and appliances

  • End Use: 22220

    Marine engines, parts

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

A - Item does not contain precious metal.

CRITL

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

Freight Information:
  • NMFC:

    095190 - Hardware, noi sub 9

  • WCC:

    652 - Instruments, scientific

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    Q - 70.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Q2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $69.58 to $115.97..
Does NSN 5855-01-039-2842 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, Austria, Poland, Spain, Canada, New Zealand, Portugal, Greece, and Turkey
What is the NIIN of NSN 5855-01-039-2842?
010392842 or 01-039-2842
Does NSN 5855-01-039-2842 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5855-01-039-2842?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 17, 1977