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12520312 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12520312: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 2.130 INCHES NOMINAL IN, length: 6.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086, thickness: 0.250 INCHES NOMINAL IN, surface_treatment: PAINT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-589-1806, 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
12520312
NSN: 5340-01-589-1806
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeRECTANGULAR
width2.130 INCHES NOMINAL IN
length6.250 INCHES NOMINAL IN
materialALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086
thickness0.250 INCHES NOMINAL IN
surface_treatmentPAINT
end_item_identification2350-01-506-0132 ARMORED RECONNAISSANCE-AIRBORNE ASSAULT
material_document_and_classificationASTM B209 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B928 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyMOUNTING PLATE, BALL VALVE
NSN5340-01-589-1806
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12520312 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
•
LENGTH: 6.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B209 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B928 ASSN STD SINGLE MATERIAL RESPONSE
•
SHAPE: RECTANGULAR
•
SURFACE TREATMENT: PAINT
•
WIDTH: 2.130 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086
TECHNICAL CHARACTERISTICS
LENGTH6.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B209 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B928 ASSN STD SINGLE MATERIAL RESPONSE
SHAPERECTANGULAR
SURFACE TREATMENTPAINT
WIDTH2.130 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYMOUNTING PLATE, BALL VALVE
END ITEM IDENTIFICATION2350-01-506-0132 ARMORED RECONNAISSANCE-AIRBORNE ASSAULT
MATERIALALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086
THICKNESS0.250 INCHES NOMINAL IN
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 12520312?
12520312 is a PLATE,MOUNTING.
What is the NSN for 12520312?
12520312 is cataloged in the U.S. Government catalog under NSN 5340-01-589-1806. 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.