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12462959 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12462959: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 19.000 INCHES NOMINAL IN, length: 100.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.312 INCHES NOMINAL IN, material_document_and_classification: MIL-A-46027 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-466-0882, 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
12462959
NSN: 5340-01-466-0882
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeRECTANGULAR
width19.000 INCHES NOMINAL IN
length100.000 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.312 INCHES NOMINAL IN
material_document_and_classificationMIL-A-46027 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-466-0882
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12462959 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: 100.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-46027 MIL SPEC SINGLE MATERIAL RESPONSE
•
SHAPE: RECTANGULAR
•
WIDTH: 19.000 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
•
THICKNESS: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH100.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-46027 MIL SPEC SINGLE MATERIAL RESPONSE
SHAPERECTANGULAR
SPECIAL FEATURESDASH 1 IS A TRAPAZOID SHAPED PLATE WITH 8 HOLES 0.670 IN. MIN AND 1.125 IN. MAX DIA; 14 HOLES 0.469 IN. MIN AND 0.532 IN. MAX DIA; DASH 2 IS 2 PLATES TRIANGULAR IN SHAPE 0.750 IN. THICK; 1 HOLE 2.000 IN. MIN AND 2.250 IN. MAX DIA; WELD IN ACCORDANCE WITH DWG 12309000; FABRICATED PER DRAWING IN
WIDTH19.000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
THICKNESS0.312 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
MIL-A-46027Reference document
Same NSN cross-reference
Reference document — Identification reference
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 12462959?
12462959 is a PLATE,MOUNTING.
What parts can replace 12462959?
There is 1 known substitute for 12462959: MIL-A-46027. Substitute compatibility should be verified for your specific system.
What is the NSN for 12462959?
12462959 is cataloged in the U.S. Government catalog under NSN 5340-01-466-0882. 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.