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NSN 3020-01-083-8312, 3020010838312
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 010838312
Codification Country
United States
Item Name Code
INC 05466
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 3020-01-083-8312

National Stock Number (NSN) 3020-01-083-8312, or NIIN 010838312, (gear,spur) was assigned October 1, 1979 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, 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 4 contracts issued for this part number, with 4 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: SPE7L425P0952, SPE7L124P4513, SPE7L124P4513, SPE7L119P5525, SPE7L215M1712. The total value of the awarded contracts has been US$ 28,046.00.

This NSN is unique to one weapons system.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 12,592. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05466. [A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.]. 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 3020010838312 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

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.430 INCHES FIRST END
BORE NOMINAL DIAMETER
(CWRS) 0.4871 INCHES BOTH ENDS
ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY RECESS NOMINAL DEPTH
(CWRB) UNABLE TO DECODE
BODY STYLE
(AAQL) PLAIN, SOLID
BORE NOMINAL DIAMETER
(CWRS) UNABLE TO DECODE
BORE STYLE
(ANTP) UNABLE TO DECODE
FACE NOMINAL WIDTH
(CWRM) 0.280 INCHES
HUB STYLE DESIGNATOR
(CWTR) UNABLE TO DECODE
HUB NOMINAL DIAMETER
(CWTX) UNABLE TO DECODE
MATERIAL
(MATT) UNABLE TO DECODE
MOUNTING HOLE NOMINAL DIAMETER
(CWZK) UNABLE TO DECODE
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) UNABLE TO DECODE
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) UNABLE TO DECODE
NOMINAL OUTSIDE DIAMETER
(CWCD) 3.908 INCHES
PITCH DIAMETER
(AGJS) 3.7500 INCHES NOMINAL
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 8
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
STYLE DESIGNATOR
(STYL) PROTRUDING HUB, RECESSED BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) UNABLE TO DECODE
SURFACE TREATMENT
(SFTT) UNABLE TO DECODE
TEETH QUANTITY
(AJLA) 45
TOOTH FORM
(CWNH) STUB
III HARDNESS RATING
(CQFM) 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
BODY RECESS NOMINAL DEPTH
(CWRB) 0.280 INCHES SECOND END
HARDNESS RATING
(CQFM) 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 2 PLAIN TRANSVERSELY THROUGH FACE
MOUNTING HOLE NOMINAL DIAMETER
(CWZK) 0.425 INCHES TRANSVERSELY THROUGH FACE
III MATERIAL
(MATT) STEEL COMP 4140 OVERALL
HUB STYLE DESIGNATOR
(CWTR) PLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BORE STYLE
(ANTP) PLAIN BOTH ENDS
MATERIAL
(MATT) STEEL COMP 4140 OVERALL
SURFACE TREATMENT
(SFTT) PHOSPHATE ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HUB NOMINAL DIAMETER
(CWTX) 1.000 INCHES FIRST END

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