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Technical Data Sheet
PartsTable / COMPONENT / 28989
28989 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, body_width: 0.938 INCHES NOMINAL IN, ring_style: CONCENTRIC, body_height: 0.750 INCHES NOMINAL IN, body_length: 1.375 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-302-1675, 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
28989
NSN: 5330-00-302-1675
FSC: 5330
CAGE: 99643 — EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
body_width0.938 INCHES NOMINAL IN
ring_styleCONCENTRIC
body_height0.750 INCHES NOMINAL IN
body_length1.375 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
inside_diameter0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
mounting_methodFLANGE SINGLE GROUP
outside_diameter0.520 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
material_thickness0.175 INCHES NOMINAL IN
outer_edge_thickness0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
NSN5330-00-302-1675
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 28989 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
•
OUTER EDGE THICKNESS: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.520 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.175 INCHES NOMINAL IN
•
MATERIAL: UNABLE TO DECODE
•
RING STYLE: CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
OUTER EDGE THICKNESS0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.520 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
INSIDE DIAMETER0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
MATERIAL THICKNESS0.175 INCHES NOMINAL IN
MATERIALUNABLE TO DECODE
RING STYLECONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
28989Interchangeable
interchangeable cross-reference
interchangeable
TS-2435Interchangeable
interchangeable cross-reference
interchangeable
8050000606Interchangeable
interchangeable cross-reference
interchangeable
250-28200 ITEM 41Interchangeable
interchangeable cross-reference
interchangeable
CB27554-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28989?
28989 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 28989?
There are 5 known substitutes for 28989: 28989, TS-2435, 8050000606 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28989?
28989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-302-1675. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026