The O-Ring, cataloged under National Stock Number 5331-01-554-5879, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-554-5879 |
| Primary Part Number | 230-927-225-730-000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 1.875 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 230-927-225-730-000 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| D139-18-954ITEM9 | Emerson Automation Solutions Final Control Us Lp (USA) |
NSN 5331-01-554-5879 is a O-Ring, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-554-5879 has 2 manufacturer part numbers on file: 230-927-225-730-000 (Emerson Automation Solutions Final Control Us Lp), D139-18-954ITEM9 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for 230-927-225-730-000: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 1.875 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SEAT O-RING. 4 specifications are documented in the U.S. Government catalog.
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.