The O-Ring, cataloged under National Stock Number 5331-01-218-9477, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Continental Emsco Co Skagit Products Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Continental Emsco Co Skagit Products Div (CAGE 55102) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-218-9477 |
| Primary Part Number | RC4293H PIECE 372 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Continental Emsco Co Skagit Products Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| RC4293H PIECE 372 PRIMARY | Continental Emsco Co Skagit Products Div (USA) |
| Reference | Meaning |
|---|---|
| RC4293H372 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| RC-4293-H PIECE | C/1 Advisory reference — outside the item-of-supply concept Continental Emsco Co Skagit Products Div |
NSN 5331-01-218-9477 is a O-Ring, manufactured by Continental Emsco Co Skagit Products Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-218-9477 has 1 manufacturer part number on file: RC4293H PIECE 372 (Continental Emsco Co Skagit Products Div).
No hazard code in the DLA record (HMIC N). 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.