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3903474 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3903474: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL, thickness: 25.0 MILLIMETERS NOMINAL MM, aperture_shape: ROUND, outside_diameter: 203.0 MILLIMETERS NOMINAL MM, aperture_diameter: 20.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-628-4744, 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
3903474
NSN: 5340-01-628-4744
FSC: 5340 — Hardware, Commercial
CAGE: 5PFF0 — HYDREMA U.S., INC. DBA HYDREMA US INC (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL
thickness25.0 MILLIMETERS NOMINAL MM
aperture_shapeROUND
outside_diameter203.0 MILLIMETERS NOMINAL MM
aperture_diameter20.0 MILLIMETERS NOMINAL MM
counterbore_depth5.0 MILLIMETERS NOMINAL MM
counterbore_diameter189.0 MILLIMETERS NOMINAL MM
end_item_identification2355-01-622-7966
part_name_assigned_by_controlling_agencyPLATE,MOUNTING
NSN5340-01-628-4744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3903474 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
•
SHAPE: ROUND
•
OUTSIDE DIAMETER: 203.0 MILLIMETERS NOMINAL MM
•
APERTURE DIAMETER: 20.0 MILLIMETERS NOMINAL MM
•
COUNTERBORE DEPTH: 5.0 MILLIMETERS NOMINAL MM
•
COUNTERBORE DIAMETER: 189.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SHAPEROUND
OUTSIDE DIAMETER203.0 MILLIMETERS NOMINAL MM
APERTURE DIAMETER20.0 MILLIMETERS NOMINAL MM
COUNTERBORE DEPTH5.0 MILLIMETERS NOMINAL MM
COUNTERBORE DIAMETER189.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE,MOUNTING
END ITEM IDENTIFICATION2355-01-622-7966
MATERIALSTEEL
THICKNESS25.0 MILLIMETERS NOMINAL MM
APERTURE SHAPEROUND
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
3903474-DReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 3903474?
3903474 is a PLATE,MOUNTING.
What parts can replace 3903474?
There is 1 known substitute for 3903474: 3903474-D. Substitute compatibility should be verified for your specific system.
What is the NSN for 3903474?
3903474 is cataloged in the U.S. Government catalog under NSN 5340-01-628-4744. This indicates validated use in U.S. government and defense supply chains.
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