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211071818 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211071818: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN, length: 4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN, material: STEEL UNS K02102, thickness: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, mounting_hole_type: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-395-8758, 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
211071818
NSN: 5340-01-395-8758
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeRECTANGULAR
width4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN
length4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN
materialSTEEL UNS K02102
thickness0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.529 INCHES MINIMUM AND 0.540 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity4
material_document_and_classificationMIL-S-22698, GR B, CL U MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-395-8758
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211071818 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: 4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-22698, GR B, CL U MIL SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.529 INCHES MINIMUM AND 0.540 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: RECTANGULAR
•
WIDTH: 4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN
•
MATERIAL: STEEL UNS K02102
•
THICKNESS: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
LENGTH4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-22698, GR B, CL U MIL SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.529 INCHES MINIMUM AND 0.540 INCHES MAXIMUM ALL HOLES IN
SHAPERECTANGULAR
WIDTH4.400 INCHES NOMINAL4.400 INCHES NOMINAL IN
MATERIALSTEEL UNS K02102
THICKNESS0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
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 1
6408329 FIND 56Reference 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 211071818?
211071818 is a PLATE,MOUNTING.
What parts can replace 211071818?
There is 1 known substitute for 211071818: 6408329 FIND 56. Substitute compatibility should be verified for your specific system.
What is the NSN for 211071818?
211071818 is cataloged in the U.S. Government catalog under NSN 5340-01-395-8758. 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.