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620995017 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

620995017: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include material: PLASTIC, overall_width: 1.421 INCHES NOMINAL IN, overall_length: 2.325 INCHES NOMINAL IN, special_features: DEPTH 1.0, end_item_identification: KC-46A SE A, part_name_assigned_by_controlling_agency: COVER,PROTECTIVE,DU. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-658-8275, 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
620995017
NSN: 5340-01-658-8275
FSC: 5340 — Hardware, Commercial
CAGE: 19505 — RADIALL USA INC (USA)
SPECIFICATIONS
materialPLASTIC
overall_width1.421 INCHES NOMINAL IN
overall_length2.325 INCHES NOMINAL IN
special_featuresDEPTH 1.0
end_item_identificationKC-46A SE A
part_name_assigned_by_controlling_agencyCOVER,PROTECTIVE,DU
NSN5340-01-658-8275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 620995017 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
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.325 INCHES NOMINAL IN
OVERALL WIDTH1.421 INCHES NOMINAL IN
SPECIAL FEATURESDEPTH 1.0
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER,PROTECTIVE,DU
END ITEM IDENTIFICATIONKC-46A SE A
MATERIALPLASTIC
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 620995017?
620995017 is a COVER,PROTECTIVE,DUST AND MOISTU.
What is the NSN for 620995017?
620995017 is cataloged in the U.S. Government catalog under NSN 5340-01-658-8275. 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.