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494620 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

494620: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 1.663 INCHES NOMINAL IN, coil_quantity: 4-86/100, style_designator: CYLINDRICAL, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-175-2491, 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
494620
NSN: 5330-00-175-2491
NIINs: 001752491, 009409967
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter1.663 INCHES NOMINAL IN
coil_quantity4-86/100
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length1.766 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate41.800 POUNDS PER INCH NOMINAL LBS
accommodated_rod_diameter1.343 INCHES NOMINAL IN
spring_free_outside_diameter1.630 INCHES NOMINAL IN
material_document_and_classificationAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-175-2491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 494620 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
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
•
HOLE DIAMETER: 0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH7.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.375 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
HOLE DIAMETER0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 494620?
494620 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 494620?
494620 is cataloged in the U.S. Government catalog under NSN 5330-00-175-2491. This indicates validated use in U.S. government and defense supply chains.
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