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Technical Data Sheet
PartsTable / O-RING / D35C2500004 ITEM 31
D35C2500004 ITEM 31 ✓ 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 SYNTHETIC, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.818 INCHES NOMINAL IN, center_hole_diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-107-4954, 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
D35C2500004 ITEM 31
NSN: 5331-01-107-4954
FSC: 5331 — O-RING
CAGE: 59776 — WANNER ENGINEERING INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.818 INCHES NOMINAL IN
center_hole_diameter0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-01-107-4954
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D35C2500004 ITEM 31 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
•
MATERIAL: RUBBER SYNTHETIC
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.818 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.818 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
1-13996Interchangeable
interchangeable cross-reference
interchangeable
C9-816-01-0001Interchangeable
interchangeable cross-reference
interchangeable
13996Interchangeable
interchangeable cross-reference
interchangeable
GRC5284-1225Interchangeable
interchangeable cross-reference
interchangeable
16204Interchangeable
interchangeable cross-reference
interchangeable
B01579Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D35C2500004 ITEM 31?
D35C2500004 ITEM 31 is a O-RING.
What parts can replace D35C2500004 ITEM 31?
There are 22 known substitutes for D35C2500004 ITEM 31: 1-13996, C9-816-01-0001, 13996 and 19 more. Substitute compatibility should be verified for your specific system.
Is D35C2500004 ITEM 31 still available?
D35C2500004 ITEM 31 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026