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5021-8667 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5021-8667: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: ROUND, material: ALUMINUM, thickness: 0.312 INCHES NOMINAL IN, outside_diameter: 2.343 INCHES NOMINAL IN, surface_treatment: ENAMEL, mounting_hole_type: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-339-1146, 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
5021-8667
NSN: 5340-01-339-1146
FSC: 5340 — Hardware, Commercial
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)
SPECIFICATIONS
shapeROUND
materialALUMINUM
thickness0.312 INCHES NOMINAL IN
outside_diameter2.343 INCHES NOMINAL IN
surface_treatmentENAMEL
mounting_hole_typeUNTHREADED
mounting_hole_quantity4
NSN5340-01-339-1146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5021-8667 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
•
SHAPE: ROUND
•
OUTSIDE DIAMETER: 2.343 INCHES NOMINAL IN
•
SURFACE TREATMENT: ENAMEL
•
MATERIAL: ALUMINUM
•
THICKNESS: 0.312 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: UNTHREADED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
SHAPEROUND
OUTSIDE DIAMETER2.343 INCHES NOMINAL IN
SURFACE TREATMENTENAMEL
MATERIALALUMINUM
THICKNESS0.312 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
5021-6332Reference 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 5021-8667?
5021-8667 is a PLATE,MOUNTING.
What parts can replace 5021-8667?
There is 1 known substitute for 5021-8667: 5021-6332. Substitute compatibility should be verified for your specific system.
What is the NSN for 5021-8667?
5021-8667 is cataloged in the U.S. Government catalog under NSN 5340-01-339-1146. 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.