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320-6140 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

320-6140: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, mounting_hole_type: UNTHREADED, end_item_identification: NSN 3805-01-550-7164, part_name_assigned_by_controlling_agency: PLATE MOUNTING. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-603-5787, 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
320-6140
NSN: 5340-01-603-5787
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
shapeRECTANGULAR
mounting_hole_typeUNTHREADED
mounting_hole_quantity2
end_item_identificationNSN 3805-01-550-7164
part_name_assigned_by_controlling_agencyPLATE MOUNTING
NSN5340-01-603-5787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 320-6140 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: 2
•
SHAPE: RECTANGULAR
•
MOUNTING HOLE TYPE: UNTHREADED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
SHAPERECTANGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE MOUNTING
END ITEM IDENTIFICATIONNSN 3805-01-550-7164
MOUNTING HOLE TYPEUNTHREADED
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 320-6140?
320-6140 is a PLATE,MOUNTING.
What is the NSN for 320-6140?
320-6140 is cataloged in the U.S. Government catalog under NSN 5340-01-603-5787. 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.