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S4393-22-34 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S4393-22-34: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: FRICTION, surface_treatment: CADMIUM AND PAINT, supplementary_features: COLOR: OLIVE DRAB, end_item_identification: ESTS TPS NUMBER 58, opening_inside_diameter_for_which_designed: 3.905 INCHES MINIMUM AND 4.035 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-515-3978, 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
S4393-22-34
NSN: 5340-01-515-3978
FSC: 5340 — Hardware, Commercial
CAGE: 07418 — JOSLYN SUNBANK COMPANY, LLC DBA JOSLYN SUNBANK CO LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeFRICTION
surface_treatmentCADMIUM AND PAINT
supplementary_featuresCOLOR: OLIVE DRAB
end_item_identificationESTS TPS NUMBER 58
opening_inside_diameter_for_which_designed3.905 INCHES MINIMUM AND 4.035 INCHES MAXIMUM IN
NSN5340-01-515-3978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S4393-22-34 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
•
SUPPLEMENTARY FEATURES: COLOR: OLIVE DRAB
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 3.905 INCHES MINIMUM AND 4.035 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND PAINT
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
SUPPLEMENTARY FEATURESCOLOR: OLIVE DRAB
OPENING INSIDE DIAMETER FOR WHICH DESIGNED3.905 INCHES MINIMUM AND 4.035 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND PAINT
END ITEM IDENTIFICATIONESTS TPS NUMBER 58
MATERIALALUMINUM ALLOY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S4393-22-34?
S4393-22-34 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for S4393-22-34?
S4393-22-34 is cataloged in the U.S. Government catalog under NSN 5340-01-515-3978. 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.