The O-Ring, cataloged under National Stock Number 5331-01-686-6031, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Emerson Process Management Lllp. 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 | 5331-01-686-6031 |
| Primary Part Number | ERCA03016A0 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Emerson Process Management Lllp |
| 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 |
|---|---|
| ERCA03016A0 PRIMARY | Emerson Process Management Lllp (USA) |
NSN 5331-01-686-6031 is a O-Ring, manufactured by Emerson Process Management Lllp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-686-6031 has 1 manufacturer part number on file: ERCA03016A0 (Emerson Process Management Lllp).
Key specifications for ERCA03016A0: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: VLV, 1/2 INCH, REG IN. 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.