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4069578 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4069578: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: TITANIUM ALLOY, design_type: SOLID, end_diameter: 1.7000 INCHES NOMINAL IN, bore_diameter: 1.3500 INCHES NOMINAL IN, first_step_diameter: 3.0000 INCHES NOMINAL IN, fsc_application_data: IGNITERS AND DUAL IGNITION EXCITERS ON F100PW0229 ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-322-3409, 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
4069578
NSN: 5340-01-322-3409
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY
design_typeSOLID
end_diameter1.7000 INCHES NOMINAL IN
bore_diameter1.3500 INCHES NOMINAL IN
special_features0.312 IN. DIA MTG HOLES - 4,ONE ON EACH CORNER W/ HOLE DISTANCES C TO C HOLE 2.356 IN. DIA - 3 SIDES,AND 2.296 IN. DIA - 1 SIDE;SEAT IS CONCAVE STYLE IN
first_step_diameter3.0000 INCHES NOMINAL IN
fsc_application_dataIGNITERS AND DUAL IGNITION EXCITERS ON F100PW0229 ENGINE
NSN5340-01-322-3409
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4069578 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
•
FSC APPLICATION DATA: IGNITERS AND DUAL IGNITION EXCITERS ON F100PW0229 ENGINE
•
FIRST STEP DIAMETER: 3.0000 INCHES NOMINAL IN
•
END DIAMETER: 1.7000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
BORE DIAMETER: 1.3500 INCHES NOMINAL IN
•
MATERIAL: TITANIUM ALLOY
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAIGNITERS AND DUAL IGNITION EXCITERS ON F100PW0229 ENGINE
FIRST STEP DIAMETER3.0000 INCHES NOMINAL IN
END DIAMETER1.7000 INCHES NOMINAL IN
DESIGN TYPESOLID
SPECIAL FEATURES0.312 IN. DIA MTG HOLES - 4,ONE ON EACH CORNER W/ HOLE DISTANCES C TO C HOLE 2.356 IN. DIA - 3 SIDES,AND 2.296 IN. DIA - 1 SIDE;SEAT IS CONCAVE STYLE IN
BORE DIAMETER1.3500 INCHES NOMINAL IN
MATERIALTITANIUM ALLOY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
5340PL0850305Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4069578?
4069578 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 4069578?
There is 1 known substitute for 4069578: 5340PL0850305. Substitute compatibility should be verified for your specific system.
What is the NSN for 4069578?
4069578 is cataloged in the U.S. Government catalog under NSN 5340-01-322-3409. This indicates validated use in U.S. government and defense supply chains.
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