1240004209123
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Quality Commitment
Serving our customers with quality and safety first.
- AS9120 Certified
- Audited supply chain
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- Every product 100% inspected
1240-00-420-9123 Specification Set by the OEM (see RNCC code 3)
0.313in. and 0.344in.
1.000in. and 1.005in.
10.5
0.060in. and 0.070in.
0.422in. and 0.438in. ⁓29/64"
1.328in. and 1.344in.
2
0.060in. and 0.070in.
slotted
180.0
not provided
not provided
1.188 in.-32UNS-2A
groove adjacent to shoulder thread, 0.047 in. w, 0.047 in. deep.
plastic, MIL-M-14, type mfe
plastic phenolic and silica
MIL-M-14, type mfe mil spec single material response
shouldered
periscope, tank M32, M32C, M35, M36
Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM
Identification Item Identification Guide (IIG) and Item Name Code (INC)
Definition Definition of approved item name (AIN): "RETAINER,OPTICAL ELEMENT"
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.
1240-00-420-9123 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Identification Codes
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.
