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7249403 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7249403: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL, thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, outside_diameter: 5.750 INCHES NOMINAL5.750 INCHES NOMINAL IN, special_features: INSIDE DIAMETER OF ITEM IS 3.750 IN IN, mounting_hole_type: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-509-3579, 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
7249403
NSN: 5340-01-509-3579
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL
thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
outside_diameter5.750 INCHES NOMINAL5.750 INCHES NOMINAL IN
special_featuresINSIDE DIAMETER OF ITEM IS 3.750 IN IN
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity3
part_name_assigned_by_controlling_agencyPLATE,WASHER
NSN5340-01-509-3579
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7249403 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: 3
•
MOUNTING HOLE DIAMETER: 0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: ROUND
•
OUTSIDE DIAMETER: 5.750 INCHES NOMINAL5.750 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
THICKNESS: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY3
MOUNTING HOLE DIAMETER0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM ALL HOLES IN
SHAPEROUND
OUTSIDE DIAMETER5.750 INCHES NOMINAL5.750 INCHES NOMINAL IN
SPECIAL FEATURESINSIDE DIAMETER OF ITEM IS 3.750 IN IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE,WASHER
MATERIALSTEEL
THICKNESS0.125 INCHES NOMINAL0.125 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

No substitute or cross-reference records for this part.

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 7249403?
7249403 is a PLATE,MOUNTING.
What is the NSN for 7249403?
7249403 is cataloged in the U.S. Government catalog under NSN 5340-01-509-3579. 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.