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Optical Element Retaining Ring

NSN: 1240-00-768-8772 | Model: 7688772

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
1240-00-768-8772
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Groove Diameter
Between 1.435 inches and 1.445 inches
Thread Length
0.187 inches
Overall Length
0.300 inches
Outside Diameter
Between 1.525 inches and 1.535 inches
Thread Size
1.430 in.-48
Aperture Diameter
Between 1.197 inches and 1.203 inches
Inner Groove Width
Between 0.053 inches and 0.073 inches
Screw Thread Series Designator
Uns
Mounting Configuration
Internal thread
Thread Location
Internal
Internal Flange Thickness
Between 0.045 inches and 0.055 inches
Groove Location
Adjacent to internal flange
Knurled Periphery
Not provided
Special Features
Chamfer0.019 in by 30 degrees on id qf flange end. One slot 0.063 in wide, 0.070 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 1240-00-768-8772 Datasheet

Supply Class (FSC):
Optical Sighting And Ranging Equipment
Cross Reference:
  • 7688772
  • 7688772
Cage Codes:
  • Us Army Ardec Rdecom (CAGE 19200)
  • Starwin Industries, Inc. (CAGE 63592)
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
    Q2100x-
  • Repariability
    If condemned or uneconomically repairable , then dispose at direct support (ds) level.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $37.54 to $62.57..
Does NSN 1240-00-768-8772 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, U.s. Marine Corps, Department Of The Navy, Austria, Spain, Canada, New Zealand, Republic Of Korea, Portugal, Denmark, Greece, and Turkey
What is the NIIN of NSN 1240-00-768-8772?
007688772 or 00-768-8772
Does NSN 1240-00-768-8772 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-768-8772?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962