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PartsTable / COMPONENT / B432A
B432A ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN, material: STEEL, outside_diameter: 1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN, special_features: MATERIAL IS STEEL, FED STD NO. 66; STEEL NO.S 1008 TO 1022, style_designator: CONCAVE, material_thickness: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-836-0647, 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
B432A
NSN: 5340-00-836-0647
FSC: 5340
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
radius1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
materialSTEEL
outside_diameter1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
special_featuresMATERIAL IS STEEL, FED STD NO. 66; STEEL NO.S 1008 TO 1022
style_designatorCONCAVE
material_thickness0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
NSN5340-00-836-0647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B432A 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
•
MATERIAL: STEEL
•
RADIUS: 1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
SPECIAL FEATURESMATERIAL IS STEEL, FED STD NO. 66; STEEL NO.S 1008 TO 1022
RADIUS1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
MATERIAL THICKNESS0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
2206Upgraded Successor
successor cross-reference
successor
106065E01Upgraded Successor
successor cross-reference
successor
P-11Upgraded Successor
successor cross-reference
successor
A-A-52420-15Interchangeable
interchangeable cross-reference
interchangeable
140089Interchangeable
interchangeable cross-reference
interchangeable
WPP1677Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B432A?
B432A is a PLUG,EXPANSION.
What parts can replace B432A?
There are 32 known substitutes for B432A: 2206, 106065E01, P-11 and 29 more. Substitute compatibility should be verified for your specific system.
Is B432A still available?
B432A 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