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1HA190 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1HA190: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: SQUARE, width: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN, length: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN, material: STEEL, thickness: 0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN, mounting_hole_diameter: 1.060 INCHES NOMINAL ALL HOLES IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-486-2043, 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
1HA190
NSN: 5340-01-486-2043
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
shapeSQUARE
width1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
length1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
materialSTEEL
thickness0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN
mounting_hole_diameter1.060 INCHES NOMINAL ALL HOLES IN
mounting_hole_quantity1
end_item_identificationHEAVY EXPANDED MOBILITY TACTICAL TRUCK,(HEMTT),2320-01-097-0260
NSN5340-01-486-2043
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1HA190 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: 1
•
LENGTH: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 1.060 INCHES NOMINAL ALL HOLES IN
•
SHAPE: SQUARE
•
WIDTH: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
THICKNESS: 0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY1
LENGTH1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER1.060 INCHES NOMINAL ALL HOLES IN
SHAPESQUARE
WIDTH1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHEAVY EXPANDED MOBILITY TACTICAL TRUCK,(HEMTT),2320-01-097-0260
MATERIALSTEEL
THICKNESS0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN
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
10823-01831Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1HA190?
1HA190 is a PLATE,MOUNTING.
What parts can replace 1HA190?
There is 1 known substitute for 1HA190: 10823-01831. Substitute compatibility should be verified for your specific system.
What is the NSN for 1HA190?
1HA190 is cataloged in the U.S. Government catalog under NSN 5340-01-486-2043. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.