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S-28194 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S-28194: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: RUBBER, design_type: FRICTION, part_name_assigned_by_controlling_agency: PLUG, INSPECTION PORT, DUST SHIELD, tube_outside_diameter_for_which_designed: 1.5 INCHES NOMINAL IN, opening_inside_diameter_for_which_designed: 1.5 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-645-8468, 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
S-28194
NSN: 5340-01-645-8468
FSC: 5340 — Hardware, Commercial
CAGE: 4Q4K2 — HENDRICKSON TRAILER SUSPENSION SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER
design_typeFRICTION
part_name_assigned_by_controlling_agencyPLUG, INSPECTION PORT, DUST SHIELD
tube_outside_diameter_for_which_designed1.5 INCHES NOMINAL IN
opening_inside_diameter_for_which_designed1.5 INCHES NOMINAL IN
NSN5340-01-645-8468
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S-28194 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
•
DESIGN TYPE: FRICTION
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.5 INCHES NOMINAL IN
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.5 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.5 INCHES NOMINAL IN
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.5 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG, INSPECTION PORT, DUST SHIELD
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 1
121689Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S-28194?
S-28194 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace S-28194?
There is 1 known substitute for S-28194: 121689. Substitute compatibility should be verified for your specific system.
What is the NSN for S-28194?
S-28194 is cataloged in the U.S. Government catalog under NSN 5340-01-645-8468. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.