The O-Ring, cataloged under National Stock Number 5331-01-351-6993, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bauer Compressors, Inc.. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Saab Kockums Aktiebolag (CAGE A199N); Bauer Compressors, Inc. (CAGE 57328) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-351-6993 |
| Primary Part Number | N16591 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bauer Compressors, Inc. |
| 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 |
|---|---|
| 5920050943 | Saab Kockums Aktiebolag (SWE) |
| N16591 PRIMARY | Bauer Compressors, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5920050943 | 5/9 Secondary reference Saab Kockums Ab - Karlskrona |
| 10013666 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-351-6993 is a O-Ring, manufactured by Bauer Compressors, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-351-6993 has 2 manufacturer part numbers on file: 5920050943 (Saab Kockums Aktiebolag), N16591 (Bauer Compressors, 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.