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Technical Data Sheet
PartsTable / COMPONENT / 3-54921-501
3-54921-501 ✓ 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 TUBE ASSEMBLY,AIR DUCT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES 321,1.500 IN. OD,0.035 IN.

WALL THK,FLANGE END ATTACHMENTS BOTH ENDS,2 EA BELLOWS INTERMEDIATE ATTACHMENTS IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1560-00-767-6584, 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
3-54921-501
NSN: 1560-00-767-6584
FSC: 1560
CAGE: 0JRC1 — NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES 321,1.500 IN. OD,0.035 IN. WALL THK,FLANGE END ATTACHMENTS BOTH ENDS,2 EA BELLOWS INTERMEDIATE ATTACHMENTS IN
NSN1560-00-767-6584
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TUBE ASSEMBLY,AIR DUCT TITLE COMPONENT PN 3-54921-501 MFR TUBE ASSEMBLY,AIR DUCT
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES 321,1.500 IN. OD,0.035 IN. WALL THK,FLANGE END ATTACHMENTS BOTH ENDS,2 EA BELLOWS INTERMEDIATE ATTACHMENTS IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES 321,1.500 IN. OD,0.035 IN. WALL THK,FLANGE END ATTACHMENTS BOTH ENDS,2 EA BELLOWS INTERMEDIATE ATTACHMENTS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
56634Interchangeable
interchangeable cross-reference
interchangeable
54512Interchangeable
interchangeable cross-reference
interchangeable
SF54512Interchangeable
interchangeable cross-reference
interchangeable
54512R91Interchangeable
interchangeable cross-reference
interchangeable
R004956AInterchangeable
interchangeable cross-reference
interchangeable
685762Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-54921-501?
3-54921-501 is a TUBE ASSEMBLY,AIR DUCT.
What parts can replace 3-54921-501?
There are 8 known substitutes for 3-54921-501: 56634, 54512, SF54512 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-54921-501?
3-54921-501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1560-00-767-6584. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026