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Technical Data Sheet
PartsTable / O-RING / 30-020-2
30-020-2 ✓ 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 COVER,TERMINAL BOARD is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, temp_rating: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, overall_width: 0.780 INCHES NOMINAL IN, conductor_form: STRANDED ALL CONDUCTORS, overall_height: 0.970 INCHES MAXIMUM IN, overall_length: 1.470 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-3076, 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
30-020-2
NSN: 5331-00-291-3076
FSC: 5331 — O-RING
CAGE: 53964 — KAYDON CUSTOM FILTRATION CORPORATION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
temp_rating-70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
overall_width0.780 INCHES NOMINAL IN
conductor_formSTRANDED ALL CONDUCTORS
overall_height0.970 INCHES MAXIMUM IN
overall_length1.470 INCHES MAXIMUM IN
outside_diameter3.851 INCHES MINIMUM AND 3.923 INCHES MAXIMUM IN
special_featuresFITS 2 TERMINAL LENGTH BOARD
style_designatorSTRIPPED AND LUG
conductor_quantity2
center_hole_diameter3.594 INCHES MINIMUM AND 3.624 INCHES MAXIMUM IN
round_conductor_size22 AWG ALL CONDUCTORS
NSN5331-00-291-3076
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30-020-2 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: 3.594 INCHES MINIMUM AND 3.624 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 3.851 INCHES MINIMUM AND 3.923 INCHES MAXIMUM IN
•
TEMP RATING: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.594 INCHES MINIMUM AND 3.624 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER3.851 INCHES MINIMUM AND 3.923 INCHES MAXIMUM IN
TEMP RATING-70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
J221P239Interchangeable
interchangeable cross-reference
interchangeable
B-631-12505-40Interchangeable
interchangeable cross-reference
interchangeable
5331PL1673263Interchangeable
interchangeable cross-reference
interchangeable
TA15M04HR1Interchangeable
interchangeable cross-reference
interchangeable
30-020Interchangeable
interchangeable cross-reference
interchangeable
30-020-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30-020-2?
30-020-2 is a COVER,TERMINAL BOARD.
What parts can replace 30-020-2?
There are 30 known substitutes for 30-020-2: J221P239, B-631-12505-40, 5331PL1673263 and 27 more. Substitute compatibility should be verified for your specific system.
Is 30-020-2 still available?
30-020-2 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