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NSN 1270-01-171-6926, 1270011716926
CELL,OPTICAL ELEMENT

Federal Supply Classification
FSC 1270 - Aircraft Gunnery Fire Control Components
National Item Identification Number
NIIN 011716926
Codification Country
United States
Item Name Code
INC 21859
Criticality
(N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 1270-01-171-6926

National Stock Number (NSN) 1270-01-171-6926, or NIIN 011716926, (cell,optical element) was assigned February 11, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2017, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 21859. [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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1270011716926 does not contain precious metals.

This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.

This information was last updated on .


Technical Characteristics

SURFACE TREATMENT
(SFTT) BLACK OXIDE,MIL-C-13924,CLASS 3
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
III MATERIAL
(MATL) CRES,ASTM A582,TY 416
ECCENTRIC CONSTRUCTION
(BMTZ) NOT PROVIDED
DRIVE TYPE
(AKCV) DRILLED HOLE ON PERIPHERY
ELEMENT SECURING METHOD
(BPDF) RETAINER RING
CHAMFER LOCATION
(BPDC) INTERNAL THREAD END
CHAMFER SIZE
(BPDD) 0.015 IN.BY 45 DEG
OVERALL DIAMETER
(ADAV) 1.950 INCHES MINIMUM AND 1.960 INCHES MAXIMUM
OVERALL LENGTH
(ABHP) 3.400 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A582,TY 416 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) STEEL COMP 416
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS
THREAD CLASS
(AAJD) 2B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LOCATION
(APJC) INTERNAL
THREAD LENGTH
(ABET) 0.210 INCHES
THREAD PITCH DIAMETERS
(AAJE) +1.8338 TO 1.8388 INCHES
THREAD SIZE
(ABUJ) 1.850-40
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENT
(SFTT) OXIDE
MATERIAL
(MATT) CRES,ASTM A582,TY 416
THREAD PITCH DIAMETERS
(AAJE) +1.8338/+1.8388 INCHES
SURFACE TREATMENT
(SURF) BLACK OXIDE,MIL-C-13924,CLASS 3
MATERIAL
(MATL) CRES,ASTM A582,TY 416

Manufacturer Part Numbers


Related Inventory

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MS20470E7-14
Condition FN
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