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PartsTable / COMPONENT / NAS378-3
NAS378-3 ✓ 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: 0.750 INCHES NOMINAL IN, design_form: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-541-1630, 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
NAS378-3
NSN: 3020-00-541-1630
FSC: 3020
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
bearingsINCLUDED
materialALUMINUM ALLOY 2024 OVERALL
bore_typeSTRAIGHT
face_width0.507 INCHES NOMINAL IN
bore_length0.750 INCHES NOMINAL IN
design_formPLAIN
bearing_typeBALL
bore_featureINCLUDED
groove_depth0.3125 INCHES NOMINAL IN
groove_shapeU
groove_width0.360 INCHES NOMINAL IN
bore_diameter0.505 INCHES NOMINAL IN
NSN3020-00-541-1630
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN NAS378-3 MFR PULLEY,GROOVE
KEY FEATURES
•
BORE LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
SURFACE TREATMENT: ANODIZE
•
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION: 0.122 INCHES NOMINAL BOTH ENDS IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-267, T4-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: PLAIN
•
GROOVE QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
BORE LENGTH0.750 INCHES NOMINAL IN
OVERALL LENGTH0.750 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024 OVERALL
SURFACE TREATMENTANODIZE
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION0.122 INCHES NOMINAL BOTH ENDS IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-267, T4-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORPLAIN
GROOVE QUANTITY1
BORE TYPESTRAIGHT
SPLIT HUB FEATURENOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
20221-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7034/3Interchangeable
interchangeable cross-reference
interchangeable
20221A1Interchangeable
interchangeable cross-reference
interchangeable
R221A1-FRPInterchangeable
interchangeable cross-reference
interchangeable
AN221A1Interchangeable
interchangeable cross-reference
interchangeable
20221-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS378-3?
NAS378-3 is a PULLEY,GROOVE.
What parts can replace NAS378-3?
There are 17 known substitutes for NAS378-3: 20221-3, MIL-DTL-7034/3, 20221A1 and 14 more. Substitute compatibility should be verified for your specific system.
Is NAS378-3 still available?
NAS378-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026