The Chesteron 421, cataloged under National Stock Number 6850-01-666-5121, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is A W Chesterton Co Div Sealing Device Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-666-5121 |
| Primary Part Number | CHESTERTON 421 |
| Item Name | Chesteron 421 |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | A W Chesterton Co Div Sealing Device Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CHESTERTON 421 PRIMARY | A W Chesterton Co Div Sealing Device Division (USA) |
NSN 6850-01-666-5121 is a Chesteron 421, manufactured by A W Chesterton Co Div Sealing Device Division, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-666-5121 has 1 manufacturer part number on file: CHESTERTON 421 (A W Chesterton Co Div Sealing Device Division).
Key specifications for CHESTERTON 421: Special Features: GENERAL DUTY, IMPERMEABLE, FLEXIBLE PLASTIC COATING. PROT; Part Name Assigned by Controlling Agency: CHESTERTON 421. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC D). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.