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Technical Data Sheet
PartsTable / COMPONENT / D2690PB
D2690PB ✓ 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 BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, head_height: 0.094 INCHES NOMINAL IN, overall_height: 0.297 INCHES NOMINAL IN, prong_quantity: 12, style_designator: STANDARD, surface_treatment: CADMIUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-5304, 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
D2690PB
NSN: 5340-00-205-5304
FSC: 5340
CAGE: 57771 — EDWIN B. STIMPSON COMPANY, INC. DBA STIMPSON (USA)
SPECIFICATIONS
materialCOPPER ALLOY
head_height0.094 INCHES NOMINAL IN
overall_height0.297 INCHES NOMINAL IN
prong_quantity12
style_designatorSTANDARD
surface_treatmentCADMIUM
head_outside_diameter0.937 INCHES NOMINAL IN
prong_outside_diameter0.766 INCHES NOMINAL IN
hole_accommodation_diameter0.750 INCHES NOMINAL IN
specification/standard_data81205-BAC+20 MANUFACTURERS SPECIFICATION
material_accommodated_thickness0.037 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
NSN5340-00-205-5304
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D2690PB 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
•
PRONG QUANTITY: 12
•
HEAD OUTSIDE DIAMETER: 0.937 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
PRONG OUTSIDE DIAMETER: 0.766 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.037 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STANDARD
•
HEAD HEIGHT: 0.094 INCHES NOMINAL IN
•
HOLE ACCOMMODATION DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PRONG QUANTITY12
HEAD OUTSIDE DIAMETER0.937 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
PRONG OUTSIDE DIAMETER0.766 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.037 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
STYLE DESIGNATORSTANDARD
HEAD HEIGHT0.094 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER0.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81205-BAC+20 MANUFACTURERS SPECIFICATION
OVERALL HEIGHT0.297 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
50580Upgraded Successor
successor cross-reference
successor
MBR-200G8Interchangeable
interchangeable cross-reference
interchangeable
R200B21Interchangeable
interchangeable cross-reference
interchangeable
MBR-200G8KSA5Interchangeable
interchangeable cross-reference
interchangeable
110886Interchangeable
interchangeable cross-reference
interchangeable
1190442Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D2690PB?
D2690PB is a BUTTON,PLUG.
What parts can replace D2690PB?
There are 20 known substitutes for D2690PB: 50580, MBR-200G8, R200B21 and 17 more. Substitute compatibility should be verified for your specific system.
Is D2690PB still available?
D2690PB is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026