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326 5129 204 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

326 5129 204: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include width: 5.12 INCHES NOMINAL5.12 INCHES NOMINAL IN, mounting_hole_diameter: 0.44 INCHES NOMINAL ALL HOLES IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-627-1045, 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
326 5129 204
NSN: 5340-01-627-1045
FSC: 5340 — Hardware, Commercial
CAGE: 0E3M8 — COMMERCIAL INTERTECH CORP (USA)
SPECIFICATIONS
width5.12 INCHES NOMINAL5.12 INCHES NOMINAL IN
mounting_hole_diameter0.44 INCHES NOMINAL ALL HOLES IN
mounting_hole_quantity4
NSN5340-01-627-1045
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 326 5129 204 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
•
MOUNTING HOLE DIAMETER: 0.44 INCHES NOMINAL ALL HOLES IN
•
WIDTH: 5.12 INCHES NOMINAL5.12 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
MOUNTING HOLE DIAMETER0.44 INCHES NOMINAL ALL HOLES IN
WIDTH5.12 INCHES NOMINAL5.12 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 326 5129 204?
326 5129 204 is a PLATE,MOUNTING.
What is the NSN for 326 5129 204?
326 5129 204 is cataloged in the U.S. Government catalog under NSN 5340-01-627-1045. 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.