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Technical Data Sheet
PartsTable / COMPONENT / A111-395
A111-395 ✓ 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: STEEL CASE, case_style: RECESSED, seal_width: 0.375 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 4.381 INCHES NOMINAL IN, surface_treatment: CADMIUM CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-055-1200, 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
A111-395
NSN: 5330-01-055-1200
FSC: 5330
CAGE: 55509 — COOPER CAMERON CORP AJAX-SUPERIOR DIV (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width0.375 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter4.381 INCHES NOMINAL IN
surface_treatmentCADMIUM CASE
housing_bore_diameter4.376 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.500 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-01-055-1200
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A111-395 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
•
SEALING ELEMENT STYLE: ANGULAR
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 4.376 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.376 INCHES NOMINAL IN
MATERIALSTEEL CASE
SURFACE TREATMENTCADMIUM CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
CASE STYLERECESSED
OUTSIDE DIAMETER4.381 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
34860DCInterchangeable
interchangeable cross-reference
interchangeable
34860Interchangeable
interchangeable cross-reference
interchangeable
7209Interchangeable
interchangeable cross-reference
interchangeable
12883Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
G165-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A111-395?
A111-395 is a SEAL,PLAIN ENCASED.
What parts can replace A111-395?
There are 9 known substitutes for A111-395: 34860DC, 34860, 7209 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A111-395?
A111-395 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-055-1200. 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