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Technical Data Sheet
43643 ✓ Verified by PartsTable
Verbatim · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

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This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-050-0037, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
43643
NSN: 5330-00-050-0037
FSC: 5330
CAGE: 82471 — LENARD PACKAGING CO INC THE (USA)
SPECIFICATIONS
materialSTEEL COMP 304
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
body_width1.375 INCHES MAXIMUM IN
case_styleSQUARE
seal_width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
shell_typeSOLID
body_height1.500 INCHES NOMINAL IN
body_length1.375 INCHES NOMINAL IN
thread_class2B
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
inclosure_typeFULLY INCLOSED
overall_height1.688 INCHES NOMINAL IN
NSN5330-00-050-0037
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43643 MFR: Verbatim ⚠ 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
HOUSING BORE DIAMETER: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
SEAL WIDTH: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
MATERIAL: LEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
CASE STYLE: SQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1204 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
SEAL WIDTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
MATERIALLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER1.250 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1204 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
060444AInterchangeable
interchangeable cross-reference
interchangeable
60392Interchangeable
interchangeable cross-reference
interchangeable
060392Interchangeable
interchangeable cross-reference
interchangeable
50244Interchangeable
interchangeable cross-reference
interchangeable
494LXInterchangeable
interchangeable cross-reference
interchangeable
SC-B-69340Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43643?
43643 is a CONNECTOR,PLUG,ELECTRICAL manufactured by Verbatim.
What parts can replace 43643?
There are 24 known substitutes for 43643: 060444A, 60392, 060392 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43643?
43643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-050-0037. This indicates validated use in U.S. government and defense supply chains.
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