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12555109 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12555109: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 0.480 INCHES NOMINAL IN, overall_height: 1.400 INCHES NOMINAL IN, overall_length: 3.750 INCHES NOMINAL IN, special_features: ITEM IS LEFT SIDE BRACKET, surface_treatment: ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-603-9387, 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
12555109
NSN: 5340-01-603-9387
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.480 INCHES NOMINAL IN
overall_height1.400 INCHES NOMINAL IN
overall_length3.750 INCHES NOMINAL IN
special_featuresITEM IS LEFT SIDE BRACKET
surface_treatmentZINC
mounting_hole_typePLAIN
mounting_hole_diameter0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
mounting_hole_quantity2
end_item_identification2350-01-436-0005; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
material_document_and_classificationASTM A 36 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyDOUBLER PLATE, LEFT
NSN5340-01-603-9387
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12555109 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: 2
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B 633 ASSN STD SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A 36 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
OVERALL HEIGHT1.400 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B 633 ASSN STD SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 36 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
OVERALL LENGTH3.750 INCHES NOMINAL IN
OVERALL WIDTH0.480 INCHES NOMINAL IN
SPECIAL FEATURESITEM IS LEFT SIDE BRACKET
SURFACE TREATMENTZINC
PART NAME ASSIGNED BY CONTROLLING AGENCYDOUBLER PLATE, LEFT
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 12555109?
12555109 is a BRACKET,MOUNTING.
What is the NSN for 12555109?
12555109 is cataloged in the U.S. Government catalog under NSN 5340-01-603-9387. 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.