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Optical Element Retaining Ring

NSN: 1240-00-768-8717 | Model: 7688717
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
1240-00-768-8717
DEMIL
Yes - ITAR Controlled (Code B)
Thread Class
2a
Thread Direction
Right-hand
Groove Diameter
Between 1.207 inches and 1.217 inches
Thread Length
0.296 inches
Overall Length
0.399 inches
Outside Diameter
Between 1.310 inches and 1.315 inches
Thread Size
1.203 in.-48
Aperture Diameter
Between 0.947 inches and 0.950 inches
Inner Groove Width
Between 0.056 inches and 0.070 inches
Screw Thread Series Designator
Uns
Mounting Configuration
Internal thread
Thread Location
Internal
Internal Flange Thickness
Between 0.036 inches and 0.044 inches
Groove Location
Adjacent to internal flange
Knurled Periphery
Not provided
Special Features
Chamfer 0.020 in. By 45 degrees on id of flange end. One slot 0.062 in. Wide, 0.060 in. Deep by 45 degrees on face of flange end.
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Surface Treatment
Anodized, mil-a-8625, type 1, class 2, black
Surface Treatment
Anodized, mil-a-8625, type 1, class 2, black
Fsc Application Data
Periscope, tank

Pricing and Availability

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NSN 1240-00-768-8717 Datasheet

Supply Class (FSC):
Optical Sighting And Ranging Equipment
Cross Reference:
  • 7688717
  • 7688717
  • 1240007688717
Cage Codes:
  • Us Army Ardec Rdecom (CAGE 19200)
  • Orion Instrument & Tool Mfg Corp (CAGE 50242)
  • E.c.a Etablissement Central (CAGE A00AM)
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.

Freight Information:
  • NMFC:

    095190 - Hardware, noi sub 9

  • WCC:

    72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

  • 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:

    E - Engineer supplies, other than those listed under code b.

  • LTL:

    Q - 70.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • 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 $34.34 to $57.24..
Does NSN 1240-00-768-8717 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, Austria, Spain, Canada, New Zealand, Republic Of Korea, Portugal, Denmark, Greece, and Turkey
What is the NIIN of NSN 1240-00-768-8717?
007688717 or 00-768-8717
Does NSN 1240-00-768-8717 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-768-8717?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962