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973288 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

973288: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL, thickness: 0.135 INCHES NOMINAL IN, aperture_shape: ROUND, outside_diameter: 4.480 INCHES NOMINAL IN, surface_treatment: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-486-8739, 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
973288
NSN: 5340-01-486-8739
FSC: 5340 — Hardware, Commercial
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL
thickness0.135 INCHES NOMINAL IN
aperture_shapeROUND
outside_diameter4.480 INCHES NOMINAL IN
surface_treatmentCOPPER ALLOY
mounting_hole_quantity8
surface_treatment_document_and_classificationBRONZE MFR REF SINGLE TREATMENT RESPONSE
NSN5340-01-486-8739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 973288 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: 8
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BRONZE MFR REF SINGLE TREATMENT RESPONSE
•
SHAPE: ROUND
•
OUTSIDE DIAMETER: 4.480 INCHES NOMINAL IN
•
SURFACE TREATMENT: COPPER ALLOY
•
MATERIAL: STEEL
•
THICKNESS: 0.135 INCHES NOMINAL IN
•
APERTURE SHAPE: ROUND
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY8
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBRONZE MFR REF SINGLE TREATMENT RESPONSE
SHAPEROUND
OUTSIDE DIAMETER4.480 INCHES NOMINAL IN
SURFACE TREATMENTCOPPER ALLOY
MATERIALSTEEL
THICKNESS0.135 INCHES NOMINAL IN
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

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 973288?
973288 is a PLATE,MOUNTING.
What is the NSN for 973288?
973288 is cataloged in the U.S. Government catalog under NSN 5340-01-486-8739. 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.