The O-Ring, cataloged under National Stock Number 5331-01-446-5231, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Tri-State Technical Sales Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Tri-State Technical Sales Corp (CAGE 4B241) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-446-5231 |
| Primary Part Number | 228150127 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tri-State Technical Sales 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 |
|---|---|
| 228150127 | Tri-State Technical Sales Corp (USA) |
| Reference | Meaning |
|---|---|
| 228150127 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 228150127 | 3/9 Design control — primary reference Rockwell Intl Corp Flow Control Div |
NSN 5331-01-446-5231 is a O-Ring, manufactured by Tri-State Technical Sales Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-446-5231 has 1 manufacturer part number on file: 228150127 (Tri-State Technical Sales 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.