PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3912884021
3912884021 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, outside_diameter: 4.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 4.234 INCHES NOMINAL IN, end_item_identification: LOGISTICS SUPPORT VESSEL, cross-sectional_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-126-8657, 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
3912884021
NSN: 5330-01-126-8657
FSC: 5330
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
outside_diameter4.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.234 INCHES NOMINAL IN
end_item_identificationLOGISTICS SUPPORT VESSEL
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-126-8657
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3912884021 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 SYNTHETIC OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 4.234 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER4.234 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
8357-1Interchangeable
interchangeable cross-reference
interchangeable
31-8357-1Interchangeable
interchangeable cross-reference
interchangeable
18-674Interchangeable
interchangeable cross-reference
interchangeable
959-1-1M1ALT6ITEM3AInterchangeable
interchangeable cross-reference
interchangeable
35920Interchangeable
1TB ix2 Cold Swap
interchangeable
BRTAM2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 3912884021?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3912884021?
3912884021 is a GASKET.
What parts can replace 3912884021?
There are 18 known substitutes for 3912884021: 8357-1, 31-8357-1, 18-674 and 15 more. Substitute compatibility should be verified for your specific system.
Is 3912884021 still available?
3912884021 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3912884021

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026