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Technical Data Sheet
M5423/07-2RED ✓ 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 M5423/07-2RED is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-682-0577, 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
M5423/07-2RED
NSN: 5340-00-682-0577
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5423/07-2RED
NSN5340-00-682-0577
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5423/07-2RED 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
WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
SEALING METHOD: MECHANICAL
MOUNTING METHOD: INTEGRAL THREADED NUT
MOUNTING DEVICE QUANTITY: 1
OPENING INSIDE DIAMETER: 0.422 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CLASS 1A,GRADE 60 FED SPEC SINGLE MATERIAL RESPONSE BODY A
TEST DATA DOCUMENT: 81349-MILB5423 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
SEALING METHODMECHANICAL
MOUNTING METHODINTEGRAL THREADED NUT
MOUNTING DEVICE QUANTITY1
OPENING INSIDE DIAMETER0.422 INCHES NOMINAL IN
OVERALL HEIGHT0.547 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CLASS 1A,GRADE 60 FED SPEC SINGLE MATERIAL RESPONSE BODY A
TEST DATA DOCUMENT81349-MILB5423 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
STYLE DESIGNATORCLOSED END
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONDUSTPROOF-NEMA TYPE 13 AND MOISTURE PROOF AND GASTIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
9167481Upgraded Successor
successor cross-reference
successor
MILB19257Upgraded Successor
successor cross-reference
successor
TYPECCLASSISIZE2Upgraded Successor
successor cross-reference
successor
F59260Upgraded Successor
successor cross-reference
successor
NC3030Upgraded Successor
successor cross-reference
successor
MIL-DTL-5423/7Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5423/07-2RED?
M5423/07-2RED is a M5423/07-2RED.
What parts can replace M5423/07-2RED?
There are 23 known substitutes for M5423/07-2RED: 9167481, MILB19257, TYPECCLASSISIZE2 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5423/07-2RED?
M5423/07-2RED is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-682-0577. This indicates validated use in U.S. government and defense supply chains.
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