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78-2901178-2 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

78-2901178-2: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL, overall_width: 4.41 INCHES NOMINAL IN, overall_length: 11.75 INCHES NOMINAL IN, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL OVERALL, special_features: MARK BOTH SIDES: WARNING; REMOVE THIS GASKET PRIOR TO OPERATION;.25 INCH HIGH CHARACTERS IN, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-719-4568, 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
78-2901178-2
NSN: 5330-01-719-4568
FSC: 5330 — Packing and Gasket Materials
CAGE: 67032 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL
overall_width4.41 INCHES NOMINAL IN
overall_length11.75 INCHES NOMINAL IN
hardness_rating50.0 SHORE DUROMETER A NOMINAL OVERALL
special_featuresMARK BOTH SIDES: WARNING; REMOVE THIS GASKET PRIOR TO OPERATION;.25 INCH HIGH CHARACTERS IN
style_designatorRECTANGULAR
bolt_hole_diameter0.45 INCHES NOMINAL IN
bolt_hole_quantity6
end_item_identification5895-01-690-5683
cross-sectional_thickness0.03 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyMEMBRANE,PROTECTIVE
NSN5330-01-719-4568
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78-2901178-2 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: 0.03 INCHES NOMINAL IN
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: RECTANGULAR
•
BOLT HOLE DIAMETER: 0.45 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.03 INCHES NOMINAL IN
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORRECTANGULAR
BOLT HOLE DIAMETER0.45 INCHES NOMINAL IN
OVERALL LENGTH11.75 INCHES NOMINAL IN
OVERALL WIDTH4.41 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
COLORBLACK
SPECIAL FEATURESMARK BOTH SIDES: WARNING; REMOVE THIS GASKET PRIOR TO OPERATION;.25 INCH HIGH CHARACTERS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYMEMBRANE,PROTECTIVE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
78-2901178Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 78-2901178-2?
78-2901178-2 is a GASKET.
What parts can replace 78-2901178-2?
There is 1 known substitute for 78-2901178-2: 78-2901178. Substitute compatibility should be verified for your specific system.
What is the NSN for 78-2901178-2?
78-2901178-2 is cataloged in the U.S. Government catalog under NSN 5330-01-719-4568. This indicates validated use in U.S. government and defense supply chains.
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