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375570 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

375570: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.624 INCHES NOMINAL IN, center_hole_diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-618-9382, 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
375570
NSN: 5331-00-618-9382
FSC: 5331 — O-ring
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter0.624 INCHES NOMINAL IN
center_hole_diameter0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
NSN5331-00-618-9382
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 375570 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 HEIGHT: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.624 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.624 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 375570?
375570 is a O-RING.
What is the NSN for 375570?
375570 is cataloged in the U.S. Government catalog under NSN 5331-00-618-9382. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.