The O-Ring, cataloged under National Stock Number 5331-01-367-4221, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06481); Sonfarrel Inc. (CAGE 09036) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-367-4221 |
| Primary Part Number | 792485 ITEM 80 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 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 |
|---|---|
| 792485 ITEM 80 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 952240-22 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| SF13870-22 | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| 952240-22 | 5/9 Secondary reference Parker Hannifin Canada |
| A5706-7187 | 5/9 Secondary reference Parker Hannifin Corporation Div Composite Sealing Systems Division |
NSN 5331-01-367-4221 is a O-Ring, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-367-4221 has 3 manufacturer part numbers on file: 792485 ITEM 80 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 952240-22 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), SF13870-22 (Sonfarrel Inc.).
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.