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L3206643-051 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

L3206643-051: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY, special_features: NUCLEAR HARDNESS CRITICAL ITEM; NHA L3206643-121; USED AS DOOR ASSY ON NACELLE CENTER BM APU ACCESS DOOR, end_item_identification: ACFT MODEL B-1B, criticality_code_justification: FEAT, material_document_and_classification: MIL-T-9046,TYPE III,COMP C MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-199-5090, 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
L3206643-051
NSN: 5340-01-199-5090
FSC: 5340 — Hardware, Commercial
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialTITANIUM ALLOY
special_featuresNUCLEAR HARDNESS CRITICAL ITEM; NHA L3206643-121; USED AS DOOR ASSY ON NACELLE CENTER BM APU ACCESS DOOR
end_item_identificationACFT MODEL B-1B
criticality_code_justificationFEAT
material_document_and_classificationMIL-T-9046,TYPE III,COMP C MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-199-5090
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L3206643-051 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-9046,TYPE III,COMP C MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: TITANIUM ALLOY
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9046,TYPE III,COMP C MIL SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESNUCLEAR HARDNESS CRITICAL ITEM; NHA L3206643-121; USED AS DOOR ASSY ON NACELLE CENTER BM APU ACCESS DOOR
END ITEM IDENTIFICATIONACFT MODEL B-1B
MATERIALTITANIUM ALLOY
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 + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is L3206643-051?
L3206643-051 is a COVER,ACCESS.
What is the NSN for L3206643-051?
L3206643-051 is cataloged in the U.S. Government catalog under NSN 5340-01-199-5090. This indicates validated use in U.S. government and defense supply chains.
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