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722-4-23 — VALVE,CHECK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

722-4-23: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN, OPTIONAL END (PIPE) SECOND END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.500 INCHES ALL ENDS IN, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-068-0286, 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
722-4-23
NSN: 5331-00-068-0286
NIINs: 000680286, 014220850
FSC: 5331 — O-ring
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN, OPTIONAL END (PIPE) SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.500 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
end_item_identificationROTARYAIRE COMPRESSOR CORP,COMPRESSOR,MODEL MB-8
thread_series_designatorNPT ALL ENDS
NSN5331-00-068-0286
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 722-4-23 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
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 722-4-23?
722-4-23 is a VALVE,CHECK.
What is the NSN for 722-4-23?
722-4-23 is cataloged in the U.S. Government catalog under NSN 5331-00-068-0286. This indicates validated use in U.S. government and defense supply chains.
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