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Technical Data Sheet
D19911MBLCP ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, outside_diameter: 1.094 INCHES NOMINAL IN, special_features: MATERIAL COLD ROLLED,SOFT ANNEALED, style_designator: CIRCULAR, aperture_diameter: 0.781 INCHES NOMINAL IN, end_item_identification: VALVE PRESSURE REDUCING 2961 TYPE II,CLASS B DOME LOADED (V30);ARLEIGH BURKE CLASS DDG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-483-9556, 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
D19911MBLCP
NSN: 5330-01-483-9556
FSC: 5330
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialCOPPER OVERALL
outside_diameter1.094 INCHES NOMINAL IN
special_featuresMATERIAL COLD ROLLED,SOFT ANNEALED
style_designatorCIRCULAR
aperture_diameter0.781 INCHES NOMINAL IN
end_item_identificationVALVE PRESSURE REDUCING 2961 TYPE II,CLASS B DOME LOADED (V30);ARLEIGH BURKE CLASS DDG
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
material_document_and_classificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySEAT RING GASKET
NSN5330-01-483-9556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D19911MBLCP 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
APERTURE DIAMETER: 0.781 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
MATERIAL: COPPER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATERIAL COLD ROLLED,SOFT ANNEALED
APERTURE DIAMETER0.781 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT RING GASKET
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
END ITEM IDENTIFICATIONVALVE PRESSURE REDUCING 2961 TYPE II,CLASS B DOME LOADED (V30);ARLEIGH BURKE CLASS DDG
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
MATERIALCOPPER OVERALL
OUTSIDE DIAMETER1.094 INCHES NOMINAL IN
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
D19911MBLInterchangeable
interchangeable cross-reference
interchangeable
MM54Interchangeable
interchangeable cross-reference
interchangeable
D50668 ITEM 25Interchangeable
Same NIIN cross-reference
interchangeable
D50668 ITEM 25CPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D19911MBLCP?
D19911MBLCP is a GASKET.
What parts can replace D19911MBLCP?
There are 4 known substitutes for D19911MBLCP: D19911MBL, MM54, D50668 ITEM 25 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D19911MBLCP?
D19911MBLCP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-483-9556. This indicates validated use in U.S. government and defense supply chains.
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