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12422987 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12422987: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include width: 178.0 MILLIMETERS NOMINAL178.0 MILLIMETERS NOMINAL MM, length: 254.0 MILLIMETERS NOMINAL254.0 MILLIMETERS NOMINAL MM, material: STEEL, thickness: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, mounting_hole_type: UNTHREADED, mounting_hole_diameter: 10.2 MILLIMETERS NOMINAL ALL HOLES MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-556-3346, 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
12422987
NSN: 5340-01-556-3346
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeD
width178.0 MILLIMETERS NOMINAL178.0 MILLIMETERS NOMINAL MM
length254.0 MILLIMETERS NOMINAL254.0 MILLIMETERS NOMINAL MM
materialSTEEL
thickness0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
mounting_hole_typeUNTHREADED
mounting_hole_diameter10.2 MILLIMETERS NOMINAL ALL HOLES MM
mounting_hole_quantity2
end_item_identificationEND ITEM NSN: 2320-01-447-3899
material_document_and_classificationASTM A242 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyPLATE, SIDEBOARD BRACKET
NSN5340-01-556-3346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12422987 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
•
LENGTH: 254.0 MILLIMETERS NOMINAL254.0 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A242 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 10.2 MILLIMETERS NOMINAL ALL HOLES MM
•
SHAPE: D
•
WIDTH: 178.0 MILLIMETERS NOMINAL178.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
LENGTH254.0 MILLIMETERS NOMINAL254.0 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A242 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER10.2 MILLIMETERS NOMINAL ALL HOLES MM
SHAPED
WIDTH178.0 MILLIMETERS NOMINAL178.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE, SIDEBOARD BRACKET
END ITEM IDENTIFICATIONEND ITEM NSN: 2320-01-447-3899
MATERIALSTEEL
THICKNESS0.250 INCHES NOMINAL0.250 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 12422987?
12422987 is a PLATE,MOUNTING.
What is the NSN for 12422987?
12422987 is cataloged in the U.S. Government catalog under NSN 5340-01-556-3346. This indicates validated use in U.S. government and defense supply chains.
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