1240-00-420-9123

Optical Element Retainer email this page

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Reference images of this national stock number
Reference of NSN 1240-00-420-9123 Reference of NSN 1240-00-420-9123 Reference of NSN 1240-00-420-9123 Reference of NSN 1240-00-420-9123

Model or part number: 10541928

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About this product
Groove adjacent to shoulder thread,0.047 in. W,0.047 in. Deep.

pdf NSN 1240-00-420-9123 Datasheet

MRC:
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.AATX
Shoulder Length:
Between 0.313 inches and 0.344 inches
MRC:
The length of a straight line which passes through the center of the smallest end of a tapered hole,and terminates at the circumference.AAZL
Tapered Hole Minor Diameter:
Between 1.000 inches and 1.005 inches
MRC:
None.ABGK
Taper Angle In Deg:
10.5
MRC:
A measurement taken at right angles to the length of an item,in distinction from thickness.ABGL
Width:
Between 0.060 inches and 0.070 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
Between 0.422 inches and 0.438 inches
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
Between 1.328 inches and 1.344 inches
MRC:
The number of holes or slots included.ABKT
Hole Or Slot Quantity:
2
MRC:
A linear measurement from the surface to a specified inner point on an item,in distinction from height.AEJZ
Depth:
Between 0.060 inches and 0.070 inches
MRC:
Indicates the type of drive for turning,rotating,or positioning the mechanism.AKCV
Drive Type:
Slotted
MRC:
The angular spacing between drive facilities,expressed in degrees.BMTN
Drive Facility Angular Spacing In Deg:
180.0
MRC:
An indication of whether or not an internal annular serration(s) is provided.BMTS
Internal Annular Serration:
Not provided
MRC:
An indication of whether or not a setscrew notch is provided.BMTT
Setscrew Notch:
Not provided
MRC:
None.BPNG
Shoulder Thread Size:
1.188 in.-32uns-2a
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Plastic, mil-m-14, type mfe
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Plastic phenolic and silica
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Mil-m-14, type mfe military specification single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Shouldered
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Periscope, tank m32, m32c, m35, m36
MRC:
--
NIIN:
004209123
MRC:
--
NATO Stock Number:
1240-00-420-9123
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
MRC:
N/A
MIL-STD
FIIG:
--
FIIG:
T271-K
MRC:
--
INC:
22451
MRC:
--
IMM:
TX TX CX
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Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 1240-00-420-9123

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

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
9803200000
NAICS:
990000
End Use Class:
50060
SITC:
93100
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 9803200000

Military Equipments Not Identified By Kind

End Use Code 50060

Military Apparel and Footwear

Standard Intl. Trade Class (SITC) 93100

Special Transactions and Commodities Not Classified According To Kind

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
058110
NMF Description:
Optical Goods Or Instruments Noi
UFC:
33110
LTL:
200.0
LCL:
200.0
WCC:
744
TCC:
Z
SHC:
9
ADC:
A
ACC:
M

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 744

Optical goods.

Air Commodity (ACC) M

Medical supplies, equipment, samples, records, etc..

Air Dimensions (ADC) A

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

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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