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12302956 — PLATE,MENDING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12302956: PLATE,MENDING.

The PLATE,MENDING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 8.120 INCHES NOMINAL IN, overall_length: 17.860 INCHES NOMINAL IN, style_designator: RECTANGULAR, material_thickness: 0.074 INCHES NOMINAL IN, mounting_hole_diameter: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-210-4658, 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
12302956
NSN: 5340-01-210-4658
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
hole_quantity6
overall_width8.120 INCHES NOMINAL IN
overall_length17.860 INCHES NOMINAL IN
style_designatorRECTANGULAR
material_thickness0.074 INCHES NOMINAL IN
mounting_hole_diameter0.406 INCHES NOMINAL IN
end_item_identification2320-01-206-4077
NSN5340-01-210-4658
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12302956 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
•
STYLE DESIGNATOR: RECTANGULAR
•
MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.074 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECTANGULAR
MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL IN
OVERALL LENGTH17.860 INCHES NOMINAL IN
OVERALL WIDTH8.120 INCHES NOMINAL IN
MATERIAL THICKNESS0.074 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-206-4077
MATERIALSTEEL
HOLE QUANTITY6
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 12302956?
12302956 is a PLATE,MENDING.
What is the NSN for 12302956?
12302956 is cataloged in the U.S. Government catalog under NSN 5340-01-210-4658. 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.