The O-Ring, cataloged under National Stock Number 5331-01-696-8688, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Baldwin Filters. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-696-8688 |
| Primary Part Number | G443 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Baldwin Filters |
| Status | ACTIVE |
| Cross-Sectional Height | 3.6 MILLIMETERS NOMINAL MM |
| Outside Diameter | 133.7 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 126.6 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| G443 PRIMARY | Baldwin Filters (USA) |
NSN 5331-01-696-8688 is a O-Ring, manufactured by Baldwin Filters, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-696-8688 has 1 manufacturer part number on file: G443 (Baldwin Filters).
Key specifications for G443: Cross-Sectional Height: 3.6 MILLIMETERS NOMINAL MM; Outside Diameter: 133.7 MILLIMETERS NOMINAL MM; Special Features: OPTIONAL ON PT90-10,PT189,PT268;REPLACES CATEPILLAR 5F3106;UPC 791440032996; Center Hole Diameter: 126.6 MILLIMETERS NOMINAL MM. 3 specifications are documented in the U.S. Government catalog.
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.