The O-Ring, cataloged under National Stock Number 5331-01-083-9477, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Gichner Systems Group, Inc. Div C5isr Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Gichner Systems Group, Inc. Div C5isr Division (CAGE 29381) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-083-9477 |
| Primary Part Number | 7003841 ITEM 16 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| 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 |
|---|---|
| 7003841 ITEM 16 PRIMARY | Gichner Systems Group, Inc. Div C5isr Division (USA) |
| Reference | Meaning |
|---|---|
| 01-007-1/4 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-083-9477 is a O-Ring, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-083-9477 has 1 manufacturer part number on file: 7003841 ITEM 16 (Gichner Systems Group, Inc. Div C5isr Division).
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.