The O-Ring, cataloged under National Stock Number 5331-01-407-3512, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fluid Process Control Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Fluid Process Control Corp (CAGE 0WWR4) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-407-3512 |
| Primary Part Number | 101A812U01 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fluid Process Control Corp |
| 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 |
|---|---|
| 101A812U01 PRIMARY | Fluid Process Control Corp (USA) |
| Reference | Meaning |
|---|---|
| 101A812U01 | 3/9 Design control — primary reference Fischer and Porter Co |
NSN 5331-01-407-3512 is a O-Ring, manufactured by Fluid Process Control Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-407-3512 has 1 manufacturer part number on file: 101A812U01 (Fluid Process Control Corp).
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.