The O-Ring, cataloged under National Stock Number 5331-01-528-8803, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is W. & O. Supply, Inc. Dba Emi Div Emi. 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 | 5331-01-528-8803 |
| Primary Part Number | 2850-00156 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | W. & O. Supply, Inc. Dba Emi Div Emi |
| Status | ACTIVE |
| 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 |
|---|---|
| 2850-00156 PRIMARY | W. & O. Supply, Inc. Dba Emi Div Emi (USA) |
NSN 5331-01-528-8803 is a O-Ring, manufactured by W. & O. Supply, Inc. Dba Emi Div Emi, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-528-8803 has 1 manufacturer part number on file: 2850-00156 (W. & O. Supply, Inc. Dba Emi Div Emi).
Key specifications for 2850-00156: End Item Identification: NSN 1925-01-509-7013 TUGBOAT. 0 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.