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Technical Data Sheet
PartsTable / COMPONENT / LL-HV6-4798
LL-HV6-4798 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hole_diameter: 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.500 INCHES NOMINAL IN, overall_length: 1.500 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-316-5868, 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
LL-HV6-4798
NSN: 5330-01-316-5868
FSC: 5330
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hole_diameter0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.500 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.250 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.125 INCHES NOMINAL IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
criticality_code_justificationZZZY
NSN5330-01-316-5868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LL-HV6-4798 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
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
BOLT HOLE QUANTITY: 4
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.172 INCHES NOMINAL IN
•
TEST DATA DOCUMENT: 81349-MIL-P-23199 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.).
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.172 INCHES NOMINAL IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
•
OUTSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
OVERALL LENGTH1.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.172 INCHES NOMINAL IN
TEST DATA DOCUMENT81349-MIL-P-23199 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.).
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.172 INCHES NOMINAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
OUTSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
OVERALL WIDTH1.500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
23-5078-1Interchangeable
interchangeable cross-reference
interchangeable
AP21-2062Interchangeable
interchangeable cross-reference
interchangeable
11-357Interchangeable
interchangeable cross-reference
interchangeable
187673PC306Interchangeable
interchangeable cross-reference
interchangeable
N325PC343Interchangeable
interchangeable cross-reference
interchangeable
107253PC85Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LL-HV6-4798?
LL-HV6-4798 is a GASKET.
What parts can replace LL-HV6-4798?
There are 17 known substitutes for LL-HV6-4798: 23-5078-1, AP21-2062, 11-357 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LL-HV6-4798?
LL-HV6-4798 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-316-5868. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026