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Technical Data Sheet
20618 ✓ Verified by PartsTable
Trust · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

<b>Key features</b><br>- Connect up to 4 USB-devices to your PC or laptop<br>- High speed data transfer, 10x faster than USB 2.0<br>- Stylish and compact design<br>- No power adapter needed, usable anywhere<br>- Also compatible with USB 2.0 devices This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4739, 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
20618
NSN: 5330-00-178-4739
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
load_typeINDUCTIVE AND RESISTIVE
thickness0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
case_styleSQUARE
point_typeCONVENTIONAL
seal_width0.438 INCHES NOMINAL IN
bend_radius1.625 INCHES NOMINAL IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length1.625 INCHES NOMINAL IN
hole_diameter0.062 INCHES NOMINAL IN
terminal_typeWIRE LEAD
NSN5330-00-178-4739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20618 MFR: Trust ⚠ 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
CASE STYLE: SQUARE
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: STEEL CASE
SEAL WIDTH: 0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 2.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
SEAL WIDTH0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYBCL1Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
K8477045REV3FIG5Interchangeable
interchangeable cross-reference
interchangeable
1000H3ALT3Interchangeable
interchangeable cross-reference
interchangeable
6RS14K1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20618?
20618 is a TELETYPEWRITER SUBASSEMBLY manufactured by Trust.
What parts can replace 20618?
There are 17 known substitutes for 20618: GGG-D-751, GGG-D-751 TYBCL1, B94.11M and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20618?
20618 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4739. This indicates validated use in U.S. government and defense supply chains.
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