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12340688-1 — PLATE,MENDING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12340688-1: PLATE,MENDING.

The PLATE,MENDING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, overall_width: 5.500 INCHES NOMINAL IN, overall_length: 7.880 INCHES NOMINAL IN, special_features: ANGLE ON CORNER 1.020 IN. LG ON LENGTH AND 0.580 IN.

LG ON WIDTH; COLOR OF SURFACE IS GREEN IN, style_designator: RECTANGULAR, surface_treatment: PLASTIC POLYURETHANE. This part is cataloged in the U.S. Government catalog under NSN 5340-01-196-3297, 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
12340688-1
NSN: 5340-01-196-3297
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
overall_width5.500 INCHES NOMINAL IN
overall_length7.880 INCHES NOMINAL IN
special_featuresANGLE ON CORNER 1.020 IN. LG ON LENGTH AND 0.580 IN. LG ON WIDTH; COLOR OF SURFACE IS GREEN IN
style_designatorRECTANGULAR
surface_treatmentPLASTIC POLYURETHANE
material_thickness0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
mounting_hole_typePLAIN
mounting_hole_diameter0.281 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-46168 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-196-3297
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12340688-1 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-46168 MIL SPEC SINGLE TREATMENT RESPONSE
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-46168 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
OVERALL LENGTH7.880 INCHES NOMINAL IN
OVERALL WIDTH5.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
SPECIAL FEATURESANGLE ON CORNER 1.020 IN. LG ON LENGTH AND 0.580 IN. LG ON WIDTH; COLOR OF SURFACE IS GREEN IN
SURFACE TREATMENTPLASTIC POLYURETHANE
MATERIALSTEEL COMP 4130
SUBSTITUTES & CROSS-REFERENCES 2
5579291Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340PL1945335Reference document
Same NSN cross-reference
Reference document — Informative 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 12340688-1?
12340688-1 is a PLATE,MENDING.
What parts can replace 12340688-1?
There are 2 known substitutes for 12340688-1: 5579291, 5340PL1945335. Substitute compatibility should be verified for your specific system.
What is the NSN for 12340688-1?
12340688-1 is cataloged in the U.S. Government catalog under NSN 5340-01-196-3297. This indicates validated use in U.S. government and defense supply chains.
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