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7021-90-231-3110 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7021-90-231-3110: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: SPECIAL, width: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN, length: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.071 INCHES NOMINAL0.071 INCHES NOMINAL IN, corner_radius: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-564-0188, 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
7021-90-231-3110
NSN: 5340-01-564-0188
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
shapeSPECIAL
width2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
length2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.071 INCHES NOMINAL0.071 INCHES NOMINAL IN
corner_radius0.380 INCHES NOMINAL IN
special_featuresMOUNTING CONFIGURATION: 4 HOLES 1.250 INCHES APART CENTERED 0.380 INCHES FROM THE FOUR CORNERS IN
mounting_hole_typeUNTHREADED
raised_surface_width0.440 INCHES NOMINAL IN
raised_surface_height0.440 INCHES NOMINAL IN
raised_surface_length2.000 INCHES NOMINAL IN
mounting_hole_diameter0.205 INCHES NOMINAL ALL HOLES IN
NSN5340-01-564-0188
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7021-90-231-3110 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
•
RAISED SURFACE WIDTH: 0.440 INCHES NOMINAL IN
•
CORNER RADIUS: 0.380 INCHES NOMINAL IN
•
LENGTH: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
•
RAISED SURFACE HEIGHT: 0.440 INCHES NOMINAL IN
•
RAISED SURFACE LENGTH: 2.000 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.205 INCHES NOMINAL ALL HOLES IN
•
SHAPE: SPECIAL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
RAISED SURFACE WIDTH0.440 INCHES NOMINAL IN
CORNER RADIUS0.380 INCHES NOMINAL IN
LENGTH2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
RAISED SURFACE HEIGHT0.440 INCHES NOMINAL IN
RAISED SURFACE LENGTH2.000 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.205 INCHES NOMINAL ALL HOLES IN
SHAPESPECIAL
SPECIAL FEATURESMOUNTING CONFIGURATION: 4 HOLES 1.250 INCHES APART CENTERED 0.380 INCHES FROM THE FOUR CORNERS IN
WIDTH2.000 INCHES NOMINAL2.000 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 7021-90-231-3110?
7021-90-231-3110 is a PLATE,MOUNTING.
What is the NSN for 7021-90-231-3110?
7021-90-231-3110 is cataloged in the U.S. Government catalog under NSN 5340-01-564-0188. 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.