PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 490722PC37
490722PC37 ✓ 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

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.6875 INCHES NOMINAL IN, bore_diameter: 0.3906 INCHES NOMINAL IN, overall_height: 0.5625 INCHES NOMINAL IN, style_designator: SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-468-0840, 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
490722PC37
NSN: 5340-00-468-0840
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter1.6875 INCHES NOMINAL IN
bore_diameter0.3906 INCHES NOMINAL IN
overall_height0.5625 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter2.3750 INCHES NOMINAL IN
distance_from_end_to_first_step0.3750 INCHES NOMINAL IN
NSN5340-00-468-0840
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 490722PC37 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
•
DESIGN TYPE: SOLID
•
DISTANCE FROM END TO FIRST STEP: 0.3750 INCHES NOMINAL IN
•
END DIAMETER: 1.6875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEAT
•
MATERIAL: STEEL
•
BORE DIAMETER: 0.3906 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 2.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPESOLID
DISTANCE FROM END TO FIRST STEP0.3750 INCHES NOMINAL IN
END DIAMETER1.6875 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
MATERIALSTEEL
OVERALL HEIGHT0.5625 INCHES NOMINAL IN
BORE DIAMETER0.3906 INCHES NOMINAL IN
FIRST STEP DIAMETER2.3750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
100SL22Interchangeable
interchangeable cross-reference
interchangeable
4535Interchangeable
interchangeable cross-reference
interchangeable
6446Interchangeable
interchangeable cross-reference
interchangeable
62625Interchangeable
interchangeable cross-reference
interchangeable
SM6446Interchangeable
interchangeable cross-reference
interchangeable
1835Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 490722PC37?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 490722PC37?
490722PC37 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 490722PC37?
There are 17 known substitutes for 490722PC37: 100SL22, 4535, 6446 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 490722PC37?
490722PC37 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-468-0840. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 490722PC37

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026