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497A73803-9 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

497A73803-9: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include overall_width: 2.500 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 8.000 INCHES NOMINAL IN, mounting_hole_type: PLAIN, mounting_hole_diameter: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-417-3908, 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
497A73803-9
NSN: 5340-01-417-3908
FSC: 5340 — Hardware, Commercial
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
overall_width2.500 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
overall_length8.000 INCHES NOMINAL IN
mounting_hole_typePLAIN
mounting_hole_diameter0.688 INCHES NOMINAL IN
mounting_hole_quantity1
NSN5340-01-417-3908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 497A73803-9 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: 1
•
MOUNTING HOLE DIAMETER: 0.688 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: PLAIN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY1
OVERALL HEIGHT1.500 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.688 INCHES NOMINAL IN
OVERALL LENGTH8.000 INCHES NOMINAL IN
OVERALL WIDTH2.500 INCHES NOMINAL IN
MOUNTING HOLE TYPEPLAIN
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 497A73803-9?
497A73803-9 is a BRACKET,MOUNTING.
What is the NSN for 497A73803-9?
497A73803-9 is cataloged in the U.S. Government catalog under NSN 5340-01-417-3908. 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.