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066388 — VALVE,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

066388: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, end_item_identification: 6640-01-547-1760, first_end_connection_type: THREADED EXTERNAL PIPE, first_end_thread_direction: RIGHT-HAND, second_end_connection_type: THREADED EXTERNAL PIPE, second_end_thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-212-9749, 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
066388
NSN: 5330-00-212-9749
NIINs: 002129749, 016136390
FSC: 5330 — Packing and Gasket Materials
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_featuresMAX WORKING PRESSURE: 450 PSI; MAX BULB TEMPERATURE: 165 DEG F; DIMENSIONS: LENGTH: 55MM; HEIGHT: 81MM; WIDTH: 81MM; REFRIGERANT: R-134A A
end_connection_quantity2
end_item_identification6640-01-547-1760
first_end_connection_typeTHREADED EXTERNAL PIPE
first_end_thread_directionRIGHT-HAND
second_end_connection_typeTHREADED EXTERNAL PIPE
second_end_thread_directionRIGHT-HAND
first_end_nominal_thread_size0.375 INCHES IN
second_end_nominal_thread_size0.500 INCHES IN
part_name_assigned_by_controlling_agencyVALVE, INJECTOR
NSN5330-00-212-9749
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 066388 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 1
231-6PC45T047Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 066388?
066388 is a VALVE,EXPANSION.
What parts can replace 066388?
There is 1 known substitute for 066388: 231-6PC45T047. Substitute compatibility should be verified for your specific system.
What is the NSN for 066388?
066388 is cataloged in the U.S. Government catalog under NSN 5330-00-212-9749. This indicates validated use in U.S. government and defense supply chains.
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