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Technical Data Sheet
637902-3 ✓ 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

The CLAMP ASSEMBLY,GAS TURBINE is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT MODEL T-33A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-344-1592, 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
637902-3
NSN: 5340-00-344-1592
FSC: 5340
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL T-33A A
NSN5340-00-344-1592
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 637902-3 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAIRCRAFT MODEL T-33A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
12616Interchangeable
interchangeable cross-reference
interchangeable
126-126-104Interchangeable
interchangeable cross-reference
interchangeable
T-7005Interchangeable
interchangeable cross-reference
interchangeable
5120PL1464621Interchangeable
interchangeable cross-reference
interchangeable
560579Interchangeable
interchangeable cross-reference
interchangeable
S36893Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 637902-3?
637902-3 is a CLAMP ASSEMBLY,GAS TURBINE.
What parts can replace 637902-3?
There are 19 known substitutes for 637902-3: 12616, 126-126-104, T-7005 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 637902-3?
637902-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-344-1592. This indicates validated use in U.S. government and defense supply chains.
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