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Technical Data Sheet
PartsTable / COMPONENT / 30123C
30123C ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM IN, center_hole_diameter: 2.471 INCHES NOMINAL IN, cross-sectional_height: 0.076 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 5330-00-401-5202, 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
30123C
NSN: 5330-00-401-5202
FSC: 5330
CAGE: 34995 — RTC PARTS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM IN
center_hole_diameter2.471 INCHES NOMINAL IN
cross-sectional_height0.076 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-00-401-5202
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30123C 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 BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
PERIPHERAL DIAMETER: 2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.076 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL OVERALL
•
CENTER HOLE DIAMETER: 2.471 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM IN
TEMP RATING-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.076 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL OVERALL
CENTER HOLE DIAMETER2.471 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
70115514Interchangeable
interchangeable cross-reference
interchangeable
8520-289Interchangeable
interchangeable cross-reference
interchangeable
REC20W-1DJ5Interchangeable
interchangeable cross-reference
interchangeable
CV858Interchangeable
interchangeable cross-reference
interchangeable
699935Interchangeable
interchangeable cross-reference
interchangeable
ZAJAN6J6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30123C?
30123C is a RETAINER,PACKING.
What parts can replace 30123C?
There are 12 known substitutes for 30123C: 70115514, 8520-289, REC20W-1DJ5 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30123C?
30123C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-401-5202. 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