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Technical Data Sheet
20221A1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: INCLUDED, material: ALUMINUM ALLOY 2024 OVERALL, bore_type: STRAIGHT, face_width: 0.507 INCHES NOMINAL IN, bore_length: 0.625 INCHES NOMINAL IN, design_form: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-287-7920, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
20221A1
NSN: 3020-00-287-7920
FSC: 3020
CAGE: 83548 — LANGDON MFG CO (USA)
SPECIFICATIONS
bearingsINCLUDED
materialALUMINUM ALLOY 2024 OVERALL
bore_typeSTRAIGHT
face_width0.507 INCHES NOMINAL IN
bore_length0.625 INCHES NOMINAL IN
design_formPLAIN
bearing_typeBALL
bore_featureINCLUDED
groove_depth0.312 INCHES NOMINAL IN
groove_shapeU
groove_width0.360 INCHES NOMINAL IN
bore_diameter0.3120 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
NSN3020-00-287-7920
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN 20221A1 MFR PULLEY,GROOVE
KEY FEATURES
STYLE DESIGNATOR: PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION: 0.059 INCHES NOMINAL BOTH ENDS IN
SURFACE TREATMENT: ANODIZE
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
SPLIT HUB FEATURE: NOT INCLUDED
COUNTERBORE FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN
SPECIAL 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.
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION0.059 INCHES NOMINAL BOTH ENDS IN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY 2024 OVERALL
SPLIT HUB FEATURENOT INCLUDED
COUNTERBORE FEATURENOT INCLUDED
GROOVE SHAPEU
INTEGRAL COOLING VANENOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
20221-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7034/3Interchangeable
interchangeable cross-reference
interchangeable
20221-2Interchangeable
interchangeable cross-reference
interchangeable
NAS378-2Interchangeable
interchangeable cross-reference
interchangeable
AN221A2Interchangeable
interchangeable cross-reference
interchangeable
MS20221A2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20221A1?
20221A1 is a PULLEY,GROOVE.
What parts can replace 20221A1?
There are 19 known substitutes for 20221A1: 20221-3, MIL-DTL-7034/3, 20221-2 and 16 more. Substitute compatibility should be verified for your specific system.
Is 20221A1 still available?
20221A1 is currently cancelled.
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