Optical Element Cell
SC-D-645703
(NSN) National Stock Number
5855-00-400-2622
Federal Supply Classification
5855 Emitted and Reflected Radiation Night Vision Equipment
Item Name Code
21859
Schedule B Code
9014900000
Summary
3a and 2b thread class, +3.2447 to 3.2480 inches and +3.1621 to 3.1669 inches thread pitch diameters, 5.295 inches nominal overall length, 3.450 inches nominal overall diameter, unsuns screw thread series designator, knurl drive type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| A | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | TX |
Identification
A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 21859 | T271-J | - | 2 |
Specifications
Thread Class
3a and 2b
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Pitch Diameters
+3.2447 to 3.2480 inches and +3.1621 to 3.1669 inches
Details
The minimum and maximum pitch diameter limits of a straight screw thread.Overall Length
5.295 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Overall Diameter
3.450 inches nominal
Details
A measurement of the longest straight line across a circular cross-sectional plane.Screw Thread Series Designator
unsuns
Details
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Drive Type
knurl
Details
Indicates the type of drive for turning,rotating,or positioning the mechanism.Thread Location
external and internal
Details
Indicates the location of the thread on the item.Eccentric Construction
not provided
Details
An indication of whether or not off center construction is provided.Chamfer Location
drive end and threaded end
Details
Indicates the location of the chamfer(s) on the item.Chamfer Size
0.100 in. by 20 deg; 0.030 in. by 45 deg
Details
Designates the size of the relative or proportionate dimensions of the chamfer.Special Features
portions vapor hone,vibra hone or sandblasted to dull finish
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
aluminum alloy 6061
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Fsc Application Data
night vision equipment
Details
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| SC-D-645703 | 04200 | 5 | - | 5 | 9 | - | TX |
| SC-D-645703 | 53260 | 5 | - | 5 | 2 | - | TX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 33110 | - | D | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 744 | Z | 9 |
Provided with every order
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Manufacturer
US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
CAGE: 80063
ABERDEEN PROVING GROUND
, MD
, 21005
UNITED STATES
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FAQs
Frequently asked questions for NSN 5855-00-400-2622
What is the NIIN of the NSN 5855-00-400-2622?
The National Item Identification Number (NIIN) of the NSN 5855-00-400-2622 is 00-400-2622
When the NSN 5855-00-400-2622 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Feb 28, 1969
Does the NSN 5855-00-400-2622 contain any precious metals?
Does not contain precious metal
Does the NSN 5855-00-400-2622 contain any hazardous material?
No data in HMIRS
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