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NSN 3020-01-168-2099, 3020011682099
GEAR,ANTIBACKLASH,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 011682099
Codification Country
United States
Item Name Code
INC 26668
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 3020-01-168-2099

National Stock Number (NSN) 3020-01-168-2099, or NIIN 011682099, (gear,antibacklash,spur) was assigned December 14, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L220V0364. The total value of the awarded contracts has been US$ 8,561.40.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 22, 2012, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 26668. [AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF SPUR GEAR TEETH, MOUNTED ON A COMMON HUB. THE FREE GEAR IS ATTACHED TO THE FIXED GEAR BY SPRINGS AND OPERATES AS ONE GEAR. UPON INSTALLATION WITH THE MATING GEAR, THE TEETH OF THE FREE MOVING GEAR ARE PRESET TO MESH WITH TEETH OTHER THAN THOSE OF THE FIXED GEAR. THIS SPRING TENSION BETWEEN THE FIXED GEAR AND THE FREE GEAR ELIMINATES ANY FREE MOTION BETWEEN THE DRIVER AND THE DRIVEN GEAR. THE GEAR IS USED WHERE IDENTICAL AND ACCURATE TRANSMITTED MOTION BETWEEN GEARS IS REQUIRED.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020011682099 does not contain precious metals.

This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.

This information was last updated on .


Technical Characteristics

ATTACHMENT METHOD
(ABSX) CLAMP
BORE NOMINAL DIAMETER
(CWRS) 0.250 INCHES BOTH ENDS
BORE STYLE
(ANTP) PLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH
(CWWC) 0.220 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 0.104 INCHES
HUB NOMINAL DIAMETER
(CWTX) 0.312 INCHES FIRST END
HUB STYLE DESIGNATOR
(CWTR) SPLIT FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
MATERIAL
(MATT) STEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.221 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 2.061 INCHES
PITCH DIAMETER
(AGJS) 2.0312 INCHES MINIMUM AND 2.0313 INCHES MAXIMUM
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 12
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENT
(SFTT) ANODIZE BODY
SURFACE TREATMENT
(SFTT) PASSIVATE HUB
TEETH QUANTITY
(AJLA) 130
III MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
III MATERIAL
(MATT) STEEL COMP 303 HUB

Manufacturer Part Numbers


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