The O-Ring, cataloged under National Stock Number 5331-01-025-4405, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Burke Industries Purosil Div. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-025-4405 |
| Primary Part Number | 13-06-241 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Burke Industries Purosil Div |
| Status | ACTIVE |
| Temp Rating | -175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 4.101 INCHES MINIMUM AND 4.173 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 3.844 INCHES MINIMUM AND 3.874 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 13-06-241 | Burke Industries Purosil Div (USA) |
| 2-241S383-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| BACP11J241 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-025-4405 is a O-Ring, manufactured by Burke Industries Purosil Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-025-4405 has 2 manufacturer part numbers on file: 13-06-241 (Burke Industries Purosil Div), 2-241S383-70 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 13-06-241: Temp Rating: -175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 4.101 INCHES MINIMUM AND 4.173 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 6 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.