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12421509-008 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12421509-008: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN, length: 68.000 INCHES NOMINAL68.000 INCHES NOMINAL IN, mounting_hole_diameter: 0.406 INCHES NOMINAL ALL HOLES IN, end_item_identification: NSN 2320-01-354-3384 TRUCK,VAN, part_name_assigned_by_controlling_agency: PLATE, TAPPING. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-586-0614, 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
12421509-008
NSN: 5340-01-586-0614
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeRECTANGULAR
width6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
length68.000 INCHES NOMINAL68.000 INCHES NOMINAL IN
mounting_hole_diameter0.406 INCHES NOMINAL ALL HOLES IN
mounting_hole_quantity4
end_item_identificationNSN 2320-01-354-3384 TRUCK,VAN
part_name_assigned_by_controlling_agencyPLATE, TAPPING
NSN5340-01-586-0614
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12421509-008 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
•
LENGTH: 68.000 INCHES NOMINAL68.000 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL ALL HOLES IN
•
SHAPE: RECTANGULAR
•
WIDTH: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
LENGTH68.000 INCHES NOMINAL68.000 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL ALL HOLES IN
SHAPERECTANGULAR
WIDTH6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE, TAPPING
END ITEM IDENTIFICATIONNSN 2320-01-354-3384 TRUCK,VAN
SUBSTITUTES & CROSS-REFERENCES 1
12421509Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 12421509-008?
12421509-008 is a PLATE,MOUNTING.
What parts can replace 12421509-008?
There is 1 known substitute for 12421509-008: 12421509. Substitute compatibility should be verified for your specific system.
What is the NSN for 12421509-008?
12421509-008 is cataloged in the U.S. Government catalog under NSN 5340-01-586-0614. 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.