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Technical Data Sheet
PartsTable / O-RING / HT2804 REF. B2C 6823
HT2804 REF. B2C 6823 ✓ 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 HT2804 REF. B2C 6823 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-033-5158, 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
HT2804 REF. B2C 6823
NSN: 5331-01-033-5158
FSC: 5331 — O-RING
CAGE: U4535 — BAE SYSTEMS ELECTRONICS LIMITED DIV UNDERWATER SYSTEMS DIVISION (GBR)
SPECIFICATIONS
Part NumberHT2804 REF. B2C 6823
NSN5331-01-033-5158
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HT2804 REF. B2C 6823 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.915 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.915 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
90218Interchangeable
interchangeable cross-reference
interchangeable
578-4823-1574151REVAPC5Interchangeable
interchangeable cross-reference
interchangeable
578-4823-1574154REVAPC9Interchangeable
interchangeable cross-reference
interchangeable
478-4801-1574166REVAPC60Interchangeable
interchangeable cross-reference
interchangeable
2200-771744REVAITEM105CInterchangeable
interchangeable cross-reference
interchangeable
P44Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HT2804 REF. B2C 6823?
HT2804 REF. B2C 6823 is a HT2804 REF. B2C 6823.
What parts can replace HT2804 REF. B2C 6823?
There are 19 known substitutes for HT2804 REF. B2C 6823: 90218, 578-4823-1574151REVAPC5, 578-4823-1574154REVAPC9 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HT2804 REF. B2C 6823?
HT2804 REF. B2C 6823 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-033-5158. 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