PartsTable
Technical Data Sheet
18253 ✓ Verified by PartsTable
Trefl · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Mini DVB-T USB stick with antenna and remote to watch TV on your notebook everywhere. Enjoy TV and radio on the beach, in your hotel, tent, caravan; free and without subscription*. With software to watch, pause and record TV programs.

Extra compact size that's easy to take with you. High quality antenna for best signal quality. Easy installation with automatic station/channel search.

Including coax adapter to connect your roof antenna. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-309-7230, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
18253
NSN: 5330-00-309-7230
FSC: 5330
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
eye_styleREGULAR ROUND EYE
sterilityNONSTERILE
body_styleSTRAIGHT HANDLE
head_styleFLAT COUNTERSUNK
body_length0.990 INCHES NOMINAL IN
finger_typeBANANA SPRING SINGLE FINGER
point_styleROUND TAPER
inside_width0.750 INCHES NOMINAL IN
thread_class2A A
finger_length0.560 INCHES NOMINAL SINGLE FINGER IN
head_diameter0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
NSN5330-00-309-7230
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18253 MFR: Trefl ⚠ 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
CROSS-SECTIONAL THICKNESS: 0.009 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN
APERTURE DIAMETER: 3.844 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER: 4.375 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER: 2.250 INCHES NOMINAL IN
MATERIAL: CELLULOSE OVERALL
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH5.125 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.009 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN
APERTURE DIAMETER3.844 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.375 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER2.250 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
8JA374Interchangeable
interchangeable cross-reference
interchangeable
592AInterchangeable
interchangeable cross-reference
interchangeable
4251346Interchangeable
interchangeable cross-reference
interchangeable
23511Interchangeable
interchangeable cross-reference
interchangeable
2660662-6Interchangeable
interchangeable cross-reference
interchangeable
2660662-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18253?
18253 is a HOLDER,ELECTRICAL CONTACT BRUSH manufactured by Trefl.
What parts can replace 18253?
There are 26 known substitutes for 18253: 8JA374, 592A, 4251346 and 23 more. Substitute compatibility should be verified for your specific system.
Is 18253 still available?
18253 is currently cancelled.
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