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A11203 — UNION,TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A11203: UNION,TUBE.

The UNION,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_type: GROUND-JOINT, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, special_features: BOTH TUBING WALL THICKNESS AT EACH END CAN BE COMPROMISED. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-119-4766, 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
A11203
NSN: 5330-00-119-4766
NIINs: 001194766, 003382489, 007202053
FSC: 5330 — Packing and Gasket Materials
CAGE: 95208 — PARKER-HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_typeGROUND-JOINT
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
special_featuresBOTH TUBING WALL THICKNESS AT EACH END CAN BE COMPROMISED
style_designatorSCREWED
coupling_flange_shapeHEXAGON
nominal_overall_length2.500 INCHES IN
reduced_passage_nominal_inside_diameter0.750 INCHES ALL ENDS IN
nominal_outside_diameter_tube_accommodated0.750 INCHES ALL ENDS IN
NSN5330-00-119-4766
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A11203 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A11203?
A11203 is a UNION,TUBE.
What is the NSN for A11203?
A11203 is cataloged in the U.S. Government catalog under NSN 5330-00-119-4766. This indicates validated use in U.S. government and defense supply chains.
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