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3406-804039T03 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3406-804039T03: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include overall_width: 4.20 INCHES NOMINAL IN, overall_height: 10.70 INCHES NOMINAL IN, overall_length: 16.40 INCHES NOMINAL IN, special_features: WEIGHT 5.10, part_name_assigned_by_controlling_agency: CLAMP BRACKET, PORT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-688-6789, 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
3406-804039T03
NSN: 5340-01-688-6789
FSC: 5340 — Hardware, Commercial
CAGE: 88907 — BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE (USA)
SPECIFICATIONS
overall_width4.20 INCHES NOMINAL IN
overall_height10.70 INCHES NOMINAL IN
overall_length16.40 INCHES NOMINAL IN
special_featuresWEIGHT 5.10
part_name_assigned_by_controlling_agencyCLAMP BRACKET, PORT
NSN5340-01-688-6789
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3406-804039T03 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
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT10.70 INCHES NOMINAL IN
OVERALL LENGTH16.40 INCHES NOMINAL IN
OVERALL WIDTH4.20 INCHES NOMINAL IN
SPECIAL FEATURESWEIGHT 5.10
PART NAME ASSIGNED BY CONTROLLING AGENCYCLAMP BRACKET, PORT
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 3406-804039T03?
3406-804039T03 is a BRACKET,MOUNTING.
What is the NSN for 3406-804039T03?
3406-804039T03 is cataloged in the U.S. Government catalog under NSN 5340-01-688-6789. 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.