PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 751-6402411-3
751-6402411-3 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL, minor_width: 0.194 INCHES NOMINAL IN, construction: SOLID, minor_height: 0.322 INCHES NOMINAL IN, special_features: CROSS-SECTIONAL WIDTH (BASE) IS ANGLED @ 5 DEGREES FROM ONE SIDE TO THE OTHER, style_designator: CIRCULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-500-8687, 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
751-6402411-3
NSN: 5330-01-500-8687
FSC: 5330
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
minor_width0.194 INCHES NOMINAL IN
constructionSOLID
minor_height0.322 INCHES NOMINAL IN
special_featuresCROSS-SECTIONAL WIDTH (BASE) IS ANGLED @ 5 DEGREES FROM ONE SIDE TO THE OTHER
style_designatorCIRCULAR
aperture_diameter29.900 INCHES NOMINAL IN
cross-sectional_width0.435 INCHES NOMINAL IN
cross-sectional_height0.380 INCHES NOMINAL IN
end_item_identificationTORPEDO TUBE
cross-sectional_thickness0.170 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
NSN5330-01-500-8687
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751-6402411-3 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
•
CONSTRUCTION: SOLID
•
APERTURE DIAMETER: 29.900 INCHES NOMINAL IN
•
MINOR HEIGHT: 0.322 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
•
SPECIFICATION/STANDARD DATA: 81349 - MIL-G-19769 GOVERNMENT SPECIFICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-19769, GR-80 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
TEST DATA DOCUMENT: MIL-G-19769 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)
CONSTRUCTIONSOLID
APERTURE DIAMETER29.900 INCHES NOMINAL IN
MINOR HEIGHT0.322 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
SPECIFICATION/STANDARD DATA81349 - MIL-G-19769 GOVERNMENT SPECIFICATION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-19769, GR-80 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TEST DATA DOCUMENTMIL-G-19769 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.).
PART NAME ASSIGNED BY CONTROLLING AGENCYMOLDED CONTINUOUS RING GASKET
SPECIAL FEATURESCROSS-SECTIONAL WIDTH (BASE) IS ANGLED @ 5 DEGREES FROM ONE SIDE TO THE OTHER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
8612484Interchangeable
interchangeable cross-reference
interchangeable
3016879Interchangeable
interchangeable cross-reference
interchangeable
3017117Interchangeable
interchangeable cross-reference
interchangeable
3017217Interchangeable
interchangeable cross-reference
interchangeable
176851 REV FInterchangeable
interchangeable cross-reference
interchangeable
3017112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 751-6402411-3?
751-6402411-3 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 751-6402411-3?
There are 21 known substitutes for 751-6402411-3: 8612484, 3016879, 3017117 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402411-3?
751-6402411-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-500-8687. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026