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685-8409-001 — PLATE,MENDING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

685-8409-001: PLATE,MENDING.

The PLATE,MENDING is a the manufacturer industrial component. Key specifications include overall_width: 0.750 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN, style_designator: RECTANGULAR, surface_treatment: PASSIVATE, material_thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, mounting_hole_type: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-326-2240, 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
685-8409-001
NSN: 5340-01-326-2240
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
hole_quantity5
overall_width0.750 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
special_features0.223 IN. MIN AND 0.229 IN. MAX HOLE W BY 0.250 IN. MIN AND 0.260 IN. MAX HOLE LG PLATE CENTER; 0.060 IN. BY 40.0 DEG MIN AND 50.0 DEG MAX CHAMFER FOUR PLACES IN
style_designatorRECTANGULAR
surface_treatmentPASSIVATE
material_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
mounting_hole_typePLAIN
mounting_hole_diameter0.098 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-326-2240
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 685-8409-001 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: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
STYLE DESIGNATOR: RECTANGULAR
•
MOUNTING HOLE DIAMETER: 0.098 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORRECTANGULAR
MOUNTING HOLE DIAMETER0.098 INCHES NOMINAL IN
OVERALL LENGTH1.250 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
SPECIAL FEATURES0.223 IN. MIN AND 0.229 IN. MAX HOLE W BY 0.250 IN. MIN AND 0.260 IN. MAX HOLE LG PLATE CENTER; 0.060 IN. BY 40.0 DEG MIN AND 50.0 DEG MAX CHAMFER FOUR PLACES IN
SURFACE TREATMENTPASSIVATE
HOLE QUANTITY5
MOUNTING HOLE TYPEPLAIN
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 685-8409-001?
685-8409-001 is a PLATE,MENDING.
What is the NSN for 685-8409-001?
685-8409-001 is cataloged in the U.S. Government catalog under NSN 5340-01-326-2240. This indicates validated use in U.S. government and defense supply chains.
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