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PartsTable / COMPONENT / 300-234-1911-31
300-234-1911-31 ✓ 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: RUBBER SEALING ELEMENT B, seal_width: 21.5 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: BONDED SEAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-645-7974, 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
300-234-1911-31
NSN: 5330-01-645-7974
FSC: 5330
CAGE: 0FWL5 — DOWTY INC (USA)
SPECIFICATIONS
materialRUBBER SEALING ELEMENT B
seal_width21.5 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBONDED SEAL
NSN5330-01-645-7974
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 300-234-1911-31 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
•
SEAL WIDTH: 21.5 INCHES NOMINAL IN
•
MATERIAL: RUBBER SEALING ELEMENT B
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH21.5 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBONDED SEAL
MATERIALRUBBER SEALING ELEMENT B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
208-03Interchangeable
interchangeable cross-reference
interchangeable
PF18AInterchangeable
interchangeable cross-reference
interchangeable
2083Interchangeable
interchangeable cross-reference
interchangeable
2023844Interchangeable
interchangeable cross-reference
interchangeable
C42334A37A1Interchangeable
interchangeable cross-reference
interchangeable
5800035-0579-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 300-234-1911-31?
300-234-1911-31 is a SEAL,PLAIN ENCASED.
What parts can replace 300-234-1911-31?
There are 13 known substitutes for 300-234-1911-31: 208-03, PF18A, 2083 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300-234-1911-31?
300-234-1911-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-645-7974. 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