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Technical Data Sheet
PartsTable / O-RING / SDD 18277 ITEM
SDD 18277 ITEM ✓ 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

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 5.723 INCHES MINIMUM AND 5.817 INCHES MAXIMUM IN, center_hole_diameter: 5.313 INCHES MINIMUM AND 5.387 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-006-0313, 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
SDD 18277 ITEM
NSN: 5331-01-006-0313
FSC: 5331 — O-RING
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter5.723 INCHES MINIMUM AND 5.817 INCHES MAXIMUM IN
center_hole_diameter5.313 INCHES MINIMUM AND 5.387 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-01-006-0313
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SDD 18277 ITEM 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 5.723 INCHES MINIMUM AND 5.817 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 5.313 INCHES MINIMUM AND 5.387 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER5.723 INCHES MINIMUM AND 5.817 INCHES MAXIMUM IN
CENTER HOLE DIAMETER5.313 INCHES MINIMUM AND 5.387 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
M83248/1-912Interchangeable
interchangeable cross-reference
interchangeable
516-5486651-F70Interchangeable
interchangeable cross-reference
interchangeable
04052333002424Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-910Interchangeable
interchangeable cross-reference
interchangeable
137.000.825Interchangeable
interchangeable cross-reference
interchangeable
6V-4589Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SDD 18277 ITEM?
SDD 18277 ITEM is a O-RING.
What parts can replace SDD 18277 ITEM?
There are 30 known substitutes for SDD 18277 ITEM: M83248/1-912, 516-5486651-F70, 04052333002424 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SDD 18277 ITEM?
SDD 18277 ITEM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-006-0313. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026