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PartsTable / COMPONENT / D19911MBL
D19911MBL ✓ 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 5330-00-199-5959, 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
D19911MBL
NSN: 5330-00-199-5959
FSC: 5330
CAGE: 11859 — HUNT VALVE COMPANY, INC. (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
NSN5330-00-199-5959
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D19911MBL 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
•
OUTSIDE DIAMETER: 1.094 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 0.781 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATERIAL COLD ROLLED,SOFT ANNEALED
OUTSIDE DIAMETER1.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER0.781 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
601452Interchangeable
interchangeable cross-reference
interchangeable
22171Interchangeable
interchangeable cross-reference
interchangeable
400279Interchangeable
interchangeable cross-reference
interchangeable
D50668 ITEM 25Interchangeable
interchangeable cross-reference
interchangeable
D50668 ITEM 25CPInterchangeable
interchangeable cross-reference
interchangeable
D19911MBLCPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D19911MBL?
D19911MBL is a GASKET.
What parts can replace D19911MBL?
There are 6 known substitutes for D19911MBL: 601452, 22171, 400279 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D19911MBL?
D19911MBL is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-199-5959. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026