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CHESTERTON 421 — CHESTERON 421

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CHESTERTON 421: CHESTERON 421.

The CHESTERON 421 is a the manufacturer industrial component. Key specifications include special_features: GENERAL DUTY, IMPERMEABLE, FLEXIBLE PLASTIC COATING. PROT, part_name_assigned_by_controlling_agency: CHESTERTON 421.

This part is cataloged in the U.S. Government catalog under NSN 6850-01-666-5121, 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
CHESTERTON 421
NSN: 6850-01-666-5121
FSC: 6850 — Miscellaneous Chemical Specialties
CAGE: 71431 — A W CHESTERTON CO DIV SEALING DEVICE DIVISION (USA)
SPECIFICATIONS
special_featuresGENERAL DUTY, IMPERMEABLE, FLEXIBLE PLASTIC COATING. PROT
part_name_assigned_by_controlling_agencyCHESTERTON 421
NSN6850-01-666-5121
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CHESTERON 421 TITLE COMPONENT PN CHESTERTON 421 MFR CHESTERON 421
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESGENERAL DUTY, IMPERMEABLE, FLEXIBLE PLASTIC COATING. PROT
PART NAME ASSIGNED BY CONTROLLING AGENCYCHESTERTON 421
OTHER ITEMS IN FSC 6850 — Miscellaneous Chemical Specialties
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6850-00-001-6461 6850-00-003-5139 6850-00-003-5179 6850-00-003-6167 6850-00-004-0526 6850-00-005-5305 6850-00-008-7482
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CHESTERTON 421?
CHESTERTON 421 is a CHESTERON 421.
What is the NSN for CHESTERTON 421?
CHESTERTON 421 is cataloged in the U.S. Government catalog under NSN 6850-01-666-5121. 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.