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Technical Data Sheet
PartsTable / COMPONENT / A-4855
A-4855 ✓ 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 ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.062 INCHES NOMINAL SECOND END IN, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-193-2950, 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
A-4855
NSN: 5340-01-193-2950
FSC: 5340
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length1.062 INCHES NOMINAL SECOND END IN
seat_angle45.0 DEGREES ALL ENDS
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
nominal_thread_size0.438 INCHES SECOND END IN
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.250 INCHES SECOND END IN
NSN5340-01-193-2950
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-4855 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
42-3016Interchangeable
interchangeable cross-reference
interchangeable
M88206Interchangeable
interchangeable cross-reference
interchangeable
277321Interchangeable
interchangeable cross-reference
interchangeable
ER2-64Interchangeable
interchangeable cross-reference
interchangeable
A-4855Interchangeable
interchangeable cross-reference
interchangeable
423013Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-4855?
A-4855 is a ELBOW,TUBE.
What parts can replace A-4855?
There are 7 known substitutes for A-4855: 42-3016, M88206, 277321 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-4855?
A-4855 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-193-2950. 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