Optical Element Retainer

NSN: 1240-00-121-0797 | Model: 8289250

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

1240-00-121-0797

DEMIL

Hole Diameter

Between 1.450 inches and 1.460 inches

Width

Between 0.062 inches and 0.078 inches

Overall Length

Between 0.090 inches and 0.100 inches

Hole Or Slot Quantity

Recess Angle In Deg

90.0

Recess Depth

0.070 inches

Thread Size

1.688 in.-32uns-2a

Depth

Between 0.030 inches and 0.040 inches

Drive Type

Slotted

Drive Facility Angular Spacing In Deg

180.0

Guide Design

Thread chamfer

Guide Location

Both edges

Internal Annular Serration

Not provided

Setscrew Notch

Not provided

Material

Aluminum alloy, ww-t-700/3 or aluminum alloy, mil-c-11866, comp 3, t6 or aluminum alloy, qq-a-225/6 or aluminum alloy, qq-a-200/8 or aluminum alloy, qq-a-225/8 or aluminum alloy, qq-a-250/11, t6

Material

Aluminum alloy 2024 or aluminum alloy, mil-c-11866, comp 3, t6 or aluminum alloy 2024 or aluminum alloy 6061 or aluminum alloy 6062 or aluminum alloy 6061 or aluminum alloy 6061

Material Specification

Ww-t-700/3 federal specification 1st material response and qq-a-225/6 federal specification 3rd material response and qq-a-200/8 federal specification 4th material response and qq-a-225/8 federal specification 5th material response and qq-a-250/11, t6 federal specification 6th material response

Surface Treatment

Anodize

Style Designator

Recessed

Surface Treatment

Anodized, mil-a-8625, type 2, class 2

Fsc Application Data

Periscope, tank m32, m32c

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 1240-00-121-0797 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

8289250

Cage Codes:

Us Army Ardec Rdecom (CAGE 19200)

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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

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:

058110 - Optical goods or instruments noi
WCC:

744 - Optical goods
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.
LCL:

D - 200.0
LTL:

D - 200.0
ACC:

M - Medical supplies, equipment, samples, records, etc.
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
B14
AAC
Y
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
1116--1
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 $29.40 to $49.01..
Does NSN 1240-00-121-0797 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, and Greece
What is the NIIN of NSN 1240-00-121-0797?
001210797 or 00-121-0797
Does NSN 1240-00-121-0797 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-121-0797?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 23, 1968