The O-Ring, cataloged under National Stock Number 5331-01-246-4364, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Watts Automatic Control Valve Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Watts Automatic Control Valve Inc (CAGE 0LX27) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-246-4364 |
| Primary Part Number | FIG10021/2O-STEM |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Watts Automatic Control Valve Inc |
| 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 |
|---|---|
| FIG10021/2O-STEM PRIMARY | Watts Automatic Control Valve Inc (USA) |
| Reference | Meaning |
|---|---|
| FIG10021/2O-STEM | 5/9 Secondary reference Muesco Inc Dba Muesco Mallay Inc |
NSN 5331-01-246-4364 is a O-Ring, manufactured by Watts Automatic Control Valve Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-246-4364 has 1 manufacturer part number on file: FIG10021/2O-STEM (Watts Automatic Control Valve Inc).
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.