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646-8518-001 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

646-8518-001: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052, hole_diameter: 0.157 INCHES NOMINAL IN, special_features: W/CLINCH NUT AND 2 HOLES 0.156 IN. DIA CSK TO 0.230 IN.

DIA IN, surface_treatment: ENAMEL, fsc_application_data: CONTROL DISPLAY UNIT,R/N 622-5530-001,6605-01-098-7557, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S. Government catalog under NSN 5340-01-134-6228, 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
646-8518-001
NSN: 5340-01-134-6228
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052
hole_diameter0.157 INCHES NOMINAL IN
special_featuresW/CLINCH NUT AND 2 HOLES 0.156 IN. DIA CSK TO 0.230 IN. DIA IN
surface_treatmentENAMEL
fsc_application_dataCONTROL DISPLAY UNIT,R/N 622-5530-001,6605-01-098-7557
securing_device_typeTHREADED FASTENER
end_item_identificationA10A ACFT
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/8,T H32 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-134-6228
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 646-8518-001 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
•
FSC APPLICATION DATA: CONTROL DISPLAY UNIT,R/N 622-5530-001,6605-01-098-7557
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8,T H32 FED SPEC SINGLE MATERIAL RESPONSE
•
SECURING DEVICE TYPE: THREADED FASTENER
•
SURFACE TREATMENT: ENAMEL
•
MATERIAL: ALUMINUM ALLOY 5052
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATACONTROL DISPLAY UNIT,R/N 622-5530-001,6605-01-098-7557
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,T H32 FED SPEC SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPETHREADED FASTENER
SPECIAL FEATURESW/CLINCH NUT AND 2 HOLES 0.156 IN. DIA CSK TO 0.230 IN. DIA IN
SURFACE TREATMENTENAMEL
END ITEM IDENTIFICATIONA10A ACFT
MATERIALALUMINUM ALLOY 5052
HOLE DIAMETER0.157 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)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 646-8518-001?
646-8518-001 is a COVER,ACCESS.
What is the NSN for 646-8518-001?
646-8518-001 is cataloged in the U.S. Government catalog under NSN 5340-01-134-6228. This indicates validated use in U.S. government and defense supply chains.
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