The O-Ring, cataloged under National Stock Number 5331-01-541-4661, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Paul Mueller Company Dba Paul Mueller Co. 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 | 5331-01-541-4661 |
| Primary Part Number | 9804156 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Paul Mueller Company Dba Paul Mueller Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Center Hole Diameter | 22.835 INCHES MINIMUM AND 23.045 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q AND PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| 9804156 PRIMARY | Paul Mueller Company Dba Paul Mueller Co (USA) |
NSN 5331-01-541-4661 is a O-Ring, manufactured by Paul Mueller Company Dba Paul Mueller Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-541-4661 has 1 manufacturer part number on file: 9804156 (Paul Mueller Company Dba Paul Mueller Co).
Key specifications for 9804156: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Special Features: POLYTETRAFLUOROETHYLENE ENCAPSULATED SILICONE O-RING; Center Hole Diameter: 22.835 INCHES MINIMUM AND 23.045 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q AND PLASTIC POLYTETRAFLUOROETHYLENE. 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.