Johnson C S Co Inc Part Number B12561-20 - Get an Instant Quote

Part Number:  B12561-20
Alternate P/N:  B1256120
Manufacturer:  johnson c s co inc
NIIN:  00-288-2309
Item Name :  pulley groove
CAGE Code:  81076
INC Code:  08109
Country:  USA
NCB Code:  00
Last Updated:  05-21-2025

Part Number B12561-20 described as Pulley Groove with NSN 3020-00-288-2309 with FSC 3020 Gear Pulley Sprocket and Transmission Chain by Manufacture Johnson C S Co Inc is available in stock. We provide comprehensive database of aerospace and aviation components, sub-assemblies, and completed assemblies allows us to respond to your RFQ within 15 minutes.

Simplified Purchasing is owned and operated by ASAP Semiconductor, an industry-leading AS9120B, ISO 9001:2015, and FAA AC 0056B certified distributor of Johnson C S Co Inc aerospace and aviation parts like B12561-20. We are a service-oriented company that provides quality NSN components with an emphasis on United States export law through our delivery centers at 2 strategic locations, California and Nevada. 

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Disclaimer: This is a quotation for the goods listed above. This quotation is meant as an estimate and does not reflect a final bill or invoice. All quotations are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor. This quotation is subject to the ASAP Semiconductor Terms & Conditions available at https://www.asapsemi.com/customer-terms-and-conditions/ . All United States Government and Department of Defense bids are quoted as CAGE code 6RE77 from ASAP Semiconductor’s Anaheim, California facility. Any quotation from ASAP Semiconductor without 6RE77 is void.

NSN Information for Part Number B12561-20 with NSN 3020-00-288-2309, 3020002882309

NSNFSCNIINCLSHazmatDEMILCancelled NSN
3020-00-288-2309

Item Description:

Pulley Groove

3020002882309N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
6256101001623

Characteristics Data of NSN 3020-00-288-2309, 3020002882309

MRCCriteriaCharacteristic
ABGAGROOVE DEPTH0.875 INCHES NOMINAL
ABGFGROOVE WIDTH0.688 INCHES NOMINAL
ABHEOUTSIDE DIAMETER9.250 INCHES NOMINAL
ABHPOVERALL LENGTH2.500 INCHES MINIMUM AND 2.531 INCHES MAXIMUM
ABXVBORE DIAMETER1.875 INCHES MINIMUM AND 1.876 INCHES MAXIMUM
ADGEBORE LENGTH2.500 INCHES MINIMUM AND 2.531 INCHES MAXIMUM
AGWAGROOVE RADIUS0.344 INCHES NOMINAL
ANNQMATERIAL AND LOCATIONIRON OVERALL
AQPLFACE WIDTH2.125 INCHES NOMINAL
ARJDDESIGN FORMWEBBED
ASBPBORE TYPESTRAIGHT
AWJQBEARINGSNOT INCLUDED
AXHQGROOVE QUANTITY1
AXNDCOUNTERBORE FEATURENOT INCLUDED
BSGGKEYING FACILITYNOT INCLUDED
BSYGSPLIT HUB FEATURENOT INCLUDED
BXSHWEB-SPOKE RELATIONSHIP TO FACE CENTERLINENOT OFFSET
BXSJLIGHTENING HOLENOT INCLUDED
BXSKINTEGRAL COOLING VANENOT INCLUDED
BXSMGROOVE SHAPEU
BYDSBORE FEATUREINCLUDED
BYDZPROTRUDING HUB CHARACTERISTICSTEPPED
BYZFDISTANCE FROM OUTSIDE FLANGE-RIM TO HUB END AND LOCATION0.188 INCHES NOMINAL BOTH ENDS
BYZLFIRST STEP FACE LARGEST DIAMETER AND LOCATION3.250 INCHES NOMINAL BOTH ENDS
BYZNFIRST STEP LENGTH AND LOCATION0.469 INCHES NOMINAL BOTH ENDS
CLYRHUB END OUTSIDE DIAMETER AND LOCATION2.624 INCHES MINIMUM BOTH ENDS AND 2.626 INCHES MAXIMUM BOTH ENDS
STYLSTYLE DESIGNATORWEBBED OR SPOKED



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