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NSN 3020-00-391-0927, 3020003910927
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 003910927
Codification Country
United States
Item Name Code
INC 05464
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 3020-00-391-0927

National Stock Number (NSN) 3020-00-391-0927, or NIIN 003910927, (gear,helical) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 3 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 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 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. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05464. [A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:]. 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 3020003910927 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 OVERALL
BODY STYLE
(AAQL) WEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER
(CWRS) 2.0000 INCHES BOTH ENDS
BORE STYLE
(ANTP) PLAIN BOTH ENDS
END NOMINAL DIAMETER
(CWWN) 2.997 INCHES BOTH ENDS
END NOMINAL LENGTH
(CWWH) 1.375 INCHES BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 2.000 INCHES
FIRST STEP NOMINAL DIAMETER
(CWXB) 4.125 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH
(CWWS) 0.063 INCHES BOTH ENDS
HARDNESS RATING
(CQFM) 10.0 ROCKWELL C MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE
(CWPZ) 27.3217 DEGREES
HUB STYLE DESIGNATOR
(CWTR) 1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.688 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER
(CWCD) 11.084 INCHES
PITCH DIAMETER
(AGJS) 10.8000 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
SPECIAL FEATURES
(FEAT) TWO COUNTERWEIGHTS,BOLTS,NUTS,OIL HOLES IN HUB,FIG 1 STAMPED BETWEEN TEETH ON SIDE OF GEAR 170 DEG 57 MIN CCW FROM UPPER CENTER LINE,FIG 4 STAMPED BETWEEN TEETH ON SIDE @OF GEAR 73 DEG @20 MIN CCW FROM FIG 1
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
TEETH QUANTITY
(AJLA) 54
TEETH TYPE
(CWMW) SINGLE HELIX
TOOTH DIRECTION
(CWNM) LEFT
TOOTH FORM
(CWNH) STANDARD

Manufacturer Part Numbers

3300001

RNCC
3
RNVC
2
3300001

RNCC
5
RNVC
9
N29578PCA

RNCC
5
RNVC
2
N29578PCA

RNCC
5
RNVC
9
N29978PCA

RNCC
5
RNVC
2
N29978PCA

RNCC
5
RNVC
9

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