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6520-20-305-9041 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6520-20-305-9041: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, overall_width: 1.500 INCHES NOMINAL IN, overall_length: 1.690 INCHES NOMINAL IN, mounting_hole_type: PLAIN, mounting_hole_diameter: 0.098 INCHES NOMINAL IN, material_document_and_classification: QQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-446-2452, 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
6520-20-305-9041
NSN: 5340-01-446-2452
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
overall_width1.500 INCHES NOMINAL IN
overall_length1.690 INCHES NOMINAL IN
mounting_hole_typePLAIN
mounting_hole_diameter0.098 INCHES NOMINAL IN
mounting_hole_quantity4
material_document_and_classificationQQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-446-2452
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6520-20-305-9041 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: 4
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.098 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 7075
•
MOUNTING HOLE TYPE: PLAIN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.098 INCHES NOMINAL IN
OVERALL LENGTH1.690 INCHES NOMINAL IN
OVERALL WIDTH1.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 7075
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6520-20-305-9041?
6520-20-305-9041 is a BRACKET,MOUNTING.
What is the NSN for 6520-20-305-9041?
6520-20-305-9041 is cataloged in the U.S. Government catalog under NSN 5340-01-446-2452. 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.