PartsTable
Technical Data Sheet
PartsTable / O-RING / 6-308B
6-308B ✓ 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: GLASS, overall_length: 75.00 MILLIMETERS NOMINAL MM, capacity_rating: 1.900 MILLILITERS NOMINAL, special_features: FOR USE W/SPECTROPHOTOMETER 6650-00-144-4555; W/O LIP, style_designator: PLAIN RIM ROUND BOTTOM, primary_container_type: CARTON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-020-0067, 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
6-308B
NSN: 5331-00-020-0067
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialGLASS
overall_length75.00 MILLIMETERS NOMINAL MM
capacity_rating1.900 MILLILITERS NOMINAL
special_featuresFOR USE W/SPECTROPHOTOMETER 6650-00-144-4555; W/O LIP
style_designatorPLAIN RIM ROUND BOTTOM
primary_container_typeCARTON
overall_outside_diameter12.00 MILLIMETERS NOMINAL MM
primary_container_unit_quantity12
total_primary_container_quantity1
part_name_assigned_by_controlling_agencyCUVETTE SPECTROPHOTOMETER 12 BY 75 MM GLASS K12 PLAIN RIM 12S MM
NSN5331-00-020-0067
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6-308B 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: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS
•
OUTSIDE DIAMETER: 0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
END ITEM IDENTIFICATIONMRAP - COUGAR CAT1; MRAP - M-ATV UI
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM
ELONGATION PERCENTAGE125 MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
OUTSIDE DIAMETER0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.746 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
M83248/1-912Interchangeable
interchangeable cross-reference
interchangeable
516-5486651-F70Interchangeable
interchangeable cross-reference
interchangeable
04052333002424Interchangeable
interchangeable cross-reference
interchangeable
ARP568-116MILG23652TY2Interchangeable
interchangeable cross-reference
interchangeable
AS3208-10Interchangeable
interchangeable cross-reference
interchangeable
SAE-AMS7276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-308B?
6-308B is a O-RING.
What parts can replace 6-308B?
There are 35 known substitutes for 6-308B: M83248/1-912, 516-5486651-F70, 04052333002424 and 32 more. Substitute compatibility should be verified for your specific system.
Is 6-308B still available?
6-308B 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