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Technical Data Sheet
PartsTable / COMPONENT / 673900
673900 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

COMPRESSOR,AIRCRAFT GAS TURBINE. Key specifications include design_type: AXIAL COMPRESSOR, special_features: WAS COMPRESSOR,AXIAL,TURBINE ENGINE, end_item_identification: ACFT ENG TF-33, engine_section_location: COMPRESSOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-200-6773, 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
673900
NSN: 5340-00-200-6773
FSC: 5340
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
design_typeAXIAL COMPRESSOR
special_featuresWAS COMPRESSOR,AXIAL,TURBINE ENGINE
end_item_identificationACFT ENG TF-33
engine_section_locationCOMPRESSOR
NSN5340-00-200-6773
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 673900 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT: CADMIUM
•
STYLE DESIGNATOR: PIN
•
MATERIAL: STEEL
•
STOCK DIAMETER: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
WIDTH: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTCADMIUM
STYLE DESIGNATORPIN
MATERIALSTEEL
STOCK DIAMETER0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
OVERALL HEIGHT0.359 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
WIDTH0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
27070Interchangeable
interchangeable cross-reference
interchangeable
6739Interchangeable
interchangeable cross-reference
interchangeable
1820640Interchangeable
interchangeable cross-reference
interchangeable
GA51532Interchangeable
interchangeable cross-reference
interchangeable
S0-C-65631Interchangeable
interchangeable cross-reference
interchangeable
6052Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 673900?
673900 is a COMPRESSOR,AIRCRAFT GAS TURBINE.
What parts can replace 673900?
There are 21 known substitutes for 673900: 27070, 6739, 1820640 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 673900?
673900 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-200-6773. 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