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12978839 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12978839: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052, overall_width: 11.000 INCHES NOMINAL IN, overall_height: 1.600 INCHES NOMINAL IN, overall_length: 11.500 INCHES NOMINAL IN, mounting_hole_type: PLAIN, mounting_hole_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-467-9481, 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
12978839
NSN: 5340-01-467-9481
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052
overall_width11.000 INCHES NOMINAL IN
overall_height1.600 INCHES NOMINAL IN
overall_length11.500 INCHES NOMINAL IN
mounting_hole_typePLAIN
mounting_hole_diameter0.500 INCHES NOMINAL IN
mounting_hole_quantity4
end_item_identificationARMORED RECON-AIRBORNE ASSAULT
material_document_and_classificationQQ-A-250/6 FED SPEC ALL MATERIAL RESPONSES
NSN5340-01-467-9481
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12978839 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-250/6 FED SPEC ALL MATERIAL RESPONSES
•
MOUNTING HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 5052
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
OVERALL HEIGHT1.600 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/6 FED SPEC ALL MATERIAL RESPONSES
MOUNTING HOLE DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH11.500 INCHES NOMINAL IN
OVERALL WIDTH11.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONARMORED RECON-AIRBORNE ASSAULT
MATERIALALUMINUM ALLOY 5052
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 12978839?
12978839 is a BRACKET,MOUNTING.
What is the NSN for 12978839?
12978839 is cataloged in the U.S. Government catalog under NSN 5340-01-467-9481. This indicates validated use in U.S. government and defense supply chains.
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