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418629 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

418629: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, end_diameter: 0.2230 INCHES MINIMUM AND 0.2280 INCHES MAXIMUM IN, bore_diameter: 0.0620 INCHES NOMINAL IN, overall_height: 0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN, special_features: NOT CASEHARDENED;MATL-ALUMINUM VS1-1-1-6 CAGE 62983;SURFACE TREAT.-ANODIC VS1-3-1-62 CAGE 62983. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-022-9508, 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
418629
NSN: 5340-01-022-9508
FSC: 5340 — Hardware, Commercial
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
end_diameter0.2230 INCHES MINIMUM AND 0.2280 INCHES MAXIMUM IN
bore_diameter0.0620 INCHES NOMINAL IN
overall_height0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
special_featuresNOT CASEHARDENED;MATL-ALUMINUM VS1-1-1-6 CAGE 62983;SURFACE TREAT.-ANODIC VS1-3-1-62 CAGE 62983
seat_angle_in_deg45.0
surface_treatmentANODIZE
first_step_diameter0.4300 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN
distance_from_end_to_first_step0.0950 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
NSN5340-01-022-9508
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 418629 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
•
FIRST STEP DIAMETER: 0.4300 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN
•
END DIAMETER: 0.2230 INCHES MINIMUM AND 0.2280 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.0
•
DISTANCE FROM END TO FIRST STEP: 0.0950 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.4300 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN
END DIAMETER0.2230 INCHES MINIMUM AND 0.2280 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.0
DISTANCE FROM END TO FIRST STEP0.0950 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
DESIGN TYPESOLID
SPECIAL FEATURESNOT CASEHARDENED;MATL-ALUMINUM VS1-1-1-6 CAGE 62983;SURFACE TREAT.-ANODIC VS1-3-1-62 CAGE 62983
SURFACE TREATMENTANODIZE
BORE DIAMETER0.0620 INCHES NOMINAL IN
MATERIALALUMINUM 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

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 418629?
418629 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 418629?
418629 is cataloged in the U.S. Government catalog under NSN 5340-01-022-9508. This indicates validated use in U.S. government and defense supply chains.
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