PartsTable
Technical Data Sheet
B19943 ✓ 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 CLAMP,BRIDGE is a the manufacturer industrial component. Key specifications include height: 1.562 INCHES NOMINAL IN, material: COPPER OVERALL, hole_diameter: 0.281 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-392-5319, 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
B19943
NSN: 5340-00-392-5319
FSC: 5340
CAGE: 92878 — HDT EXPEDITIONARY SYSTEMS INC (USA)
SPECIFICATIONS
height1.562 INCHES NOMINAL IN
materialCOPPER OVERALL
hole_diameter0.281 INCHES NOMINAL IN
NSN5340-00-392-5319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B19943 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: COPPER OVERALL
HEIGHT: 1.562 INCHES NOMINAL IN
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER OVERALL
HEIGHT1.562 INCHES NOMINAL IN
HOLE DIAMETER0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
496006Upgraded Successor
successor cross-reference
successor
19943Upgraded Successor
successor cross-reference
successor
255427Interchangeable
interchangeable cross-reference
interchangeable
E2537Interchangeable
interchangeable cross-reference
interchangeable
63462Interchangeable
interchangeable cross-reference
interchangeable
24231Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B19943?
B19943 is a CLAMP,BRIDGE.
What parts can replace B19943?
There are 10 known substitutes for B19943: 496006, 19943, 255427 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B19943?
B19943 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-392-5319. This indicates validated use in U.S. government and defense supply chains.
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