Optical Element Cell
752263-2
(NSN) National Stock Number
1270-00-101-0613
Federal Supply Classification
1270 Aircraft Gunnery Fire Control Components
Item Name Code
21859
Schedule B Code
9803200000
Summary
3b thread class, +1.4901 to 1.6195 inches thread pitch diameters, right-hand thread direction, 0.010 inches thread length, 3.815 inches nominal overall length, 1 3/4-20 thread size
| 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
3b
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Pitch Diameters
+1.4901 to 1.6195 inches
Details
The minimum and maximum pitch diameter limits of a straight screw thread.Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Thread Length
0.010 inches
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Overall Length
3.815 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Thread Size
1 3/4-20
Details
Designates the thread diameter and number of threads per specific measurement scale.Overall Diameter
2.680 inches nominal
Details
A measurement of the longest straight line across a circular cross-sectional plane.Screw Thread Series Designator
un
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
slotted face
Details
Indicates the type of drive for turning,rotating,or positioning the mechanism.Thread Location
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
smaller diameter end
Details
Indicates the location of the chamfer(s) on the item.Chamfer Size
0.010 in. by 45 deg
Details
Designates the size of the relative or proportionate dimensions of the chamfer.Element Securing Method
internal thread
Details
The means by which the element is secured to the item.Material
aluminum
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.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
Order with confidence, we are a valued certified supplier serving customers in the military and aerospace industries.
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Manufacturer
FAQs
Frequently asked questions for NSN 1270-00-101-0613
What is the NIIN of the NSN 1270-00-101-0613?
The National Item Identification Number (NIIN) of the NSN 1270-00-101-0613 is 00-101-0613
When the NSN 1270-00-101-0613 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Dec 15, 1972
Does the NSN 1270-00-101-0613 contain any precious metals?
Does not contain precious metal
Does the NSN 1270-00-101-0613 contain any hazardous material?
No data in HMIRS
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