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Technical Data Sheet
PartsTable / COMPONENT / 6-8B104
6-8B104 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 2.500 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 1.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-070-5180, 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
6-8B104
NSN: 5330-00-070-5180
FSC: 5330
CAGE: 0W357 — PDI GROUND SUPPORT SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter2.500 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.625 INCHES NOMINAL IN
NSN5330-00-070-5180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6-8B104 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
•
SEALING ELEMENT STYLE: VERTICAL
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
HOUSING BORE DIAMETER: 2.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEVERTICAL
SEAL WIDTH0.250 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
HOUSING BORE DIAMETER2.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7050Interchangeable
interchangeable cross-reference
interchangeable
173DAREV1Interchangeable
interchangeable cross-reference
interchangeable
DB7050Interchangeable
interchangeable cross-reference
interchangeable
14U612PCDB7050Interchangeable
interchangeable cross-reference
interchangeable
654892Interchangeable
interchangeable cross-reference
interchangeable
652567Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-8B104?
6-8B104 is a SEAL,PLAIN ENCASED.
What parts can replace 6-8B104?
There are 17 known substitutes for 6-8B104: 7050, 173DAREV1, DB7050 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-8B104?
6-8B104 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-070-5180. 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