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12646431 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12646431: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include shape: IRREGULAR, overall_width: 80.0 MILLIMETERS NOMINAL MM, overall_height: 260.0 MILLIMETERS NOMINAL MM, overall_length: 278.4 MILLIMETERS NOMINAL MM, end_item_identification: 2355-01-654-5245, part_name_assigned_by_controlling_agency: BOX, COVER ANTILOCK BRAKE SYSTEM WELDMENT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-727-7857, 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
12646431
NSN: 5340-01-727-7857
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeIRREGULAR
overall_width80.0 MILLIMETERS NOMINAL MM
overall_height260.0 MILLIMETERS NOMINAL MM
overall_length278.4 MILLIMETERS NOMINAL MM
end_item_identification2355-01-654-5245
part_name_assigned_by_controlling_agencyBOX, COVER ANTILOCK BRAKE SYSTEM WELDMENT
NSN5340-01-727-7857
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12646431 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
•
SHAPE: IRREGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT260.0 MILLIMETERS NOMINAL MM
SHAPEIRREGULAR
OVERALL LENGTH278.4 MILLIMETERS NOMINAL MM
OVERALL WIDTH80.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYBOX, COVER ANTILOCK BRAKE SYSTEM WELDMENT
END ITEM IDENTIFICATION2355-01-654-5245
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 12646431?
12646431 is a BRACKET,MOUNTING.
What is the NSN for 12646431?
12646431 is cataloged in the U.S. Government catalog under NSN 5340-01-727-7857. 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.