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Technical Data Sheet

865778 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: RUBBER SYNTHETIC OVERALL, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, thread_class: 2A A, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 2.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5330-00-371-5008, 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
865778
NSN: 5330-00-371-5008
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
thread_class2A A
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.500 INCHES NOMINAL IN
overall_height2.500 INCHES NOMINAL IN
overall_length1.662 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
mating_end_quantity1
threaded_device_typeCOUPLING FACILITY
environmental_protectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
cross-sectional_thickness0.031 INCHES NOMINAL IN
NSN5330-00-371-5008
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 865778 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 THICKNESS: 0.031 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH6.312 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
OVERALL LENGTH7.438 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
30-259InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DD660AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
98000071-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A30259InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS3102R36-7PZInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE-AS50151InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 865778?
865778 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 865778?
There are 14 known substitutes for 865778: 30-259, DD660A, 98000071-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 865778?
865778 is cataloged in the Federal Logistics Information System under NSN 5330-00-371-5008. This indicates validated use in U.S. government and defense supply chains.
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