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NSN 3020-00-907-0476, 3020009070476
GEAR,ANTIBACKLASH,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 009070476
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.
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DLMS® Summary

National Stock Number 3020-00-907-0476

National Stock Number (NSN) 3020-00-907-0476, or NIIN 009070476, (gear,antibacklash,spur) was assigned January 1, 1960 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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, with the most recent procurement date of Mar 11, 2016. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L516M0716, SPM7MC12M4671, SPM7MC11M2289, SPM7MC11M2289. The total value of the awarded contracts has been US$ 14,728.60.

There has been a small amount of 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 Apr 25, 2008, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 3020009070476 contains an unknown precious metal.

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

III MATERIAL
(MATT) STEEL COMP 303 HUB
III MATERIAL
(MATT) STEEL COMP 302 BODY
ATTACHMENT METHOD
(ABSX) CLAMP
BORE NOMINAL DIAMETER
(CWRS) 0.120 INCHES BOTH ENDS
BORE STYLE
(ANTP) PLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH
(CWWC) 0.129 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 0.064 INCHES
HUB NOMINAL DIAMETER
(CWTX) 0.187 INCHES FIRST END
HUB NOMINAL DIAMETER
(CWTX) 0.406 INCHES SECOND END
HUB STYLE DESIGNATOR
(CWTR) SPLIT FIRST END
HUB STYLE DESIGNATOR
(CWTR) PLAIN SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL
(MATT) STEEL COMP 302 BODY
MATERIAL
(MATT) STEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.023 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.160 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 1.155 INCHES
PITCH DIAMETER
(AGJS) 1.1250 INCHES NOMINAL
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 10 OR QUALITY NUMBER 8
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
TEETH QUANTITY
(AJLA) 72
TOOTH FORM
(CWNH) STANDARD

Manufacturer Part Numbers


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