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2642489 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2642489: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM AND ALUMINUM ALLOY, design_type: SOLID, end_diameter: 0.4410 INCHES NOMINAL IN, bore_diameter: 0.1270 INCHES MINIMUM AND 0.1320 INCHES MAXIMUM IN, overall_height: 0.2510 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-126-0339, 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
2642489
NSN: 5340-00-126-0339
FSC: 5340 — Hardware, Commercial
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialALUMINUM AND ALUMINUM ALLOY
design_typeSOLID
end_diameter0.4410 INCHES NOMINAL IN
bore_diameter0.1270 INCHES MINIMUM AND 0.1320 INCHES MAXIMUM IN
overall_height0.2510 INCHES NOMINAL IN
style_designatorSEAT
surface_treatmentANODIZE
first_step_diameter0.6800 INCHES NOMINAL IN
chamfer_angle_in_deg30.0
fsc_application_dataFUEL CONTROL MAIN,TURBINE ENGINE,ACFT
distance_from_end_to_first_step0.1000 INCHES NOMINAL IN
NSN5340-00-126-0339
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2642489 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: FUEL CONTROL MAIN,TURBINE ENGINE,ACFT
•
FIRST STEP DIAMETER: 0.6800 INCHES NOMINAL IN
•
END DIAMETER: 0.4410 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2510 INCHES NOMINAL IN
FSC APPLICATION DATAFUEL CONTROL MAIN,TURBINE ENGINE,ACFT
FIRST STEP DIAMETER0.6800 INCHES NOMINAL IN
END DIAMETER0.4410 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1000 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
SURFACE TREATMENTANODIZE
CHAMFER ANGLE IN DEG30.0
BORE DIAMETER0.1270 INCHES MINIMUM AND 0.1320 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2642489?
2642489 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 2642489?
2642489 is cataloged in the U.S. Government catalog under NSN 5340-00-126-0339. This indicates validated use in U.S. government and defense supply chains.
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