The O-Ring, cataloged under National Stock Number 5331-01-690-2176, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Core Industries Inc. Dba Mueller Steam Specialty (CAGE 76588) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-690-2176 |
| Primary Part Number | 1.5-794FMM-13703-07 / ITEM 18 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| 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 |
|---|---|
| 1.5-794FMM-13703-07 / ITEM 18 PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
NSN 5331-01-690-2176 is a O-Ring, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-690-2176 has 1 manufacturer part number on file: 1.5-794FMM-13703-07 / ITEM 18 (Core Industries Inc. Dba Mueller Steam Specialty).
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.