PartsTable
Technical Data Sheet
PartsTable / O-RING / 54-66-4214CP
54-66-4214CP ✓ 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: PLASTIC FLUOROCARBON, center_hole_diameter: 0.984 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN, end_item_identification: VALVE,BALL,ANGLE, 2IN. IN, departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-550-3391, 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
54-66-4214CP
NSN: 5331-01-550-3391
FSC: 5331 — O-RING
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
center_hole_diameter0.984 INCHES NOMINAL IN
cross-sectional_height0.139 INCHES NOMINAL IN
end_item_identificationVALVE,BALL,ANGLE, 2IN. IN
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-01-550-3391
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 54-66-4214CP 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: PLASTIC FLUOROCARBON
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
CENTER HOLE DIAMETER: 0.984 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC FLUOROCARBON
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
END ITEM IDENTIFICATIONVALVE,BALL,ANGLE, 2IN. IN
CRITICALITY CODE JUSTIFICATIONZZZW
CENTER HOLE DIAMETER0.984 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
P-LFCV-0 FIND SInterchangeable
interchangeable cross-reference
interchangeable
513DG-214Interchangeable
interchangeable cross-reference
interchangeable
R-8-29-52Interchangeable
interchangeable cross-reference
interchangeable
M83248-2-214CPInterchangeable
interchangeable cross-reference
interchangeable
M83248-2-214Interchangeable
interchangeable cross-reference
interchangeable
845-4687579 ITEM 38Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 54-66-4214CP?
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 54-66-4214CP?
54-66-4214CP is a O-RING.
What parts can replace 54-66-4214CP?
There are 14 known substitutes for 54-66-4214CP: P-LFCV-0 FIND S, 513DG-214, R-8-29-52 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54-66-4214CP?
54-66-4214CP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-550-3391. This indicates validated use in U.S. government and defense supply chains.
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 — 54-66-4214CP

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