Part detail

NSN Part Number 20221A1 of Atco Pulley Corp with NSN 3020002877920 - Request a Quote Now

20221A1NSN3020-00-287-7920CAGE83548

Pulley Groove

Detailed description

20221A1 procurement notes

Thank you for taking an interest in the aerospace parts, military and defense parts, and Pulley Groove products that we offer here on Buy NSN Parts. You have taken a particular interest in part number 20221A1, a Atco Pulley Corp item we stock that is listed alongside the NSN 3020002877920 for identification. If you are interested in receiving pricing and fulfillment options for this NSN part, please fill out and submit the RFQ form provided on this page while offering us crucial information such as your target price and expected shipping time frame. Within 15 minutes of us receiving and reviewing a completed request, you can expect to receive a solution on part number 20221A1 tailored to your unique needs and restrictions alike.

To make the identification and procurement of products simple, we always list all offerings with as much information as we can. For example, while part number 20221A1 belongs to NSN 3020002877920, it also falls under FSC , a commodity classification designation that organizes similar products together. Furthermore, this item is also produced under CAGE Code , denoting the exact facility that this item traces back to. With this in mind, take the time to explore our expansive selection at your leisure, and we will always be just a click or call away from offering customized fulfillment solutions and unrivaled savings.

Specifications

Reference data

Manufacturer
Langdon Mfg Co
Part number
20221A1
NSN
3020-00-287-7920
NIIN
00-287-7920
FSC
3020 Gear Pulley Sprocket and Transmission Chain
CAGE code
83548
Multi-line procurement

Sourcing more than one part?

Upload a bill of materials (BOM) or paste a list of part numbers — every line bundles into a single RFQ. No checkout, no payment.

Compliance
  • AS9120:2025· Aerospace QMS
  • ISO 9001:2015· Quality Management
  • FAA AC 00-56B· Voluntary Industry Distributor Accreditation
  • U.S. ONLY· Fulfillment

NSN Information for Part Number 20221A1 with NSN 3020-00-287-7920, 3020002877920

NSNFSCNIINCLSHazmatDEMILCancelled NSN
3020002877920

Item Description:

PULLEY,GROOVE

30200028779200N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
R221A1-FRP295

Characteristics Data of NSN 3020-00-287-7920, 3020002877920

MRCCriteriaCharacteristic
ABGAGROOVE DEPTH0.312 INCHES NOMINAL
ABGFGROOVE WIDTH0.360 INCHES NOMINAL
ABHEOUTSIDE DIAMETER2.630 INCHES NOMINAL
ABHPOVERALL LENGTH0.625 INCHES NOMINAL
ABXVBORE DIAMETER0.3120 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM
ADGEBORE LENGTH0.625 INCHES NOMINAL
AGWAGROOVE RADIUS0.130 INCHES NOMINAL
ANNQMATERIAL AND LOCATIONALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4 OVERALL
AQPLFACE WIDTH0.507 INCHES NOMINAL
ARJDDESIGN FORMPLAIN
ASBPBORE TYPESTRAIGHT
AWJQBEARINGSINCLUDED
AXHQGROOVE QUANTITY1
AXNDCOUNTERBORE FEATURENOT INCLUDED
BDDYBEARING QUANTITY1
BSGGKEYING FACILITYNOT INCLUDED
BSYGSPLIT HUB FEATURENOT INCLUDED
BXSJLIGHTENING HOLENOT INCLUDED
BXSKINTEGRAL COOLING VANENOT INCLUDED
BXSMGROOVE SHAPEU
BYDSBORE FEATUREINCLUDED
BYDTBEARING TYPEBALL
BYZDHUB END OUTSIDE DIAMETER AND LOCATION0.485 INCHES MINIMUM BOTH ENDS AND 0.515 INCHES MAXIMUM BOTH ENDS
BYZFDISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION0.059 INCHES NOMINAL BOTH ENDS
FEATSPECIAL FEATURESIF REQUISITION IS NOT FOR FMS, OVERSEAS SHIPMENTS, NAVAL VESSELS, PRIORITY CODES 1,2, OR 3, OR INDIVIDUAL REQUISITIONS OVER 25000 DOLLARS, THEN DIRECT VENDOR DELIVERY NSN 3020-01-391-0850 IS AVAILABLE AT 15.7% DISCOUNT.
SFTTSURFACE TREATMENTANODIZE
STYLSTYLE DESIGNATORPLAIN
Mission ready

Send a quote line
get a response in 15 minutes.


ASAP Military Supplies

An ASAP Semiconductor web resource. Parts procurement for U.S. military, defense, and aerospace operators.

1341 South Sunkist Street, Anaheim, CA 92806

Accreditations
NBAA Member
NBAANBAA Member
ASA (Aviation Suppliers Association)
ASAASA (Aviation Suppliers Association)
AS6081 Certified Supplier
AS6081AS6081 Certified Supplier
FAA AC 00-56B Certified
FAA AC 00-56BFAA AC 00-56B Certified
© 2026 ASAP Semiconductor LLC. All rights reserved.
VisaMastercardDiscoverAmEx