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11780189 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11780189: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: SQUARE, width: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN, length: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN, material: ALUMINUM ALLOY, aperture_shape: ROUND, special_features: CUTOUT ON ONE SIDE 0.906 WIDE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-070-3289, 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
11780189
NSN: 5340-01-070-3289
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
shapeSQUARE
width1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
length1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
materialALUMINUM ALLOY
aperture_shapeROUND
special_featuresCUTOUT ON ONE SIDE 0.906 WIDE
aperture_diameter1.625 INCHES NOMINAL IN
features_providedAPERTURE
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.188 INCHES NOMINAL ALL HOLES IN
mounting_hole_quantity4
end_item_identificationHEADSUP DISPLAY
NSN5340-01-070-3289
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11780189 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
•
MOUNTING HOLE QUANTITY: 4
•
LENGTH: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.188 INCHES NOMINAL ALL HOLES IN
•
SHAPE: SQUARE
•
APERTURE DIAMETER: 1.625 INCHES NOMINAL IN
•
FEATURES PROVIDED: APERTURE
•
WIDTH: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
LENGTH1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL ALL HOLES IN
SHAPESQUARE
APERTURE DIAMETER1.625 INCHES NOMINAL IN
FEATURES PROVIDEDAPERTURE
SPECIAL FEATURESCUTOUT ON ONE SIDE 0.906 WIDE
WIDTH1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHEADSUP DISPLAY
MATERIALALUMINUM ALLOY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
42613-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 11780189?
11780189 is a PLATE,MOUNTING.
What parts can replace 11780189?
There is 1 known substitute for 11780189: 42613-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 11780189?
11780189 is cataloged in the U.S. Government catalog under NSN 5340-01-070-3289. This indicates validated use in U.S. government and defense supply chains.
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