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439035 ✓ 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 PACKING ASSEMBLY,LABYRINTH is a the manufacturer industrial component. Key specifications include special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM; NIMITZ CLASS CVN, criticality_code_justification: FEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-976-4733, 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
439035
NSN: 2825-00-976-4733
FSC: 2825
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationSTEAM TURBINE,SHIPS PROPULSION SYSTEM; NIMITZ CLASS CVN
criticality_code_justificationFEAT
NSN2825-00-976-4733
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PACKING ASSEMBLY,LABYRINTH TITLE COMPONENT PN 439035 MFR PACKING ASSEMBLY,LABYR
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST BEARING BRONZE LABYRINTH RING 1,6.375 IN. OD; 4.001 IN. ID; 8 HOLES 0.500 IN. DIA,0.750 IN. DP; 4 SEGMENTS; NICKEL ALLOY SPRINGS 8,1.125 IN. LG EACH SPRING IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST BEARING BRONZE LABYRINTH RING 1,6.375 IN. OD; 4.001 IN. ID; 8 HOLES 0.500 IN. DIA,0.750 IN. DP; 4 SEGMENTS; NICKEL ALLOY SPRINGS 8,1.125 IN. LG EACH SPRING IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
439035Interchangeable
interchangeable cross-reference
interchangeable
550123-000Interchangeable
Same NIIN cross-reference
interchangeable
439035/(8)793404Interchangeable
Same NIIN cross-reference
interchangeable
29X29SNH7063Interchangeable
Same NIIN cross-reference
interchangeable
NH7063Interchangeable
Same NIIN cross-reference
interchangeable
776883-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 439035?
439035 is a PACKING ASSEMBLY,LABYRINTH.
What parts can replace 439035?
There are 7 known substitutes for 439035: 439035, 550123-000, 439035/(8)793404 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 439035?
439035 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-976-4733. 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