The O-Ring, cataloged under National Stock Number 5331-01-120-4390, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rosebank Engineering Pty Ltd. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-120-4390 |
| Primary Part Number | DB1841 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rosebank Engineering Pty Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.789 INCHES MINIMUM AND 1.809 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE SEBACAMIDE |
| 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 |
|---|---|
| DB1841 | Rosebank Engineering Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| DB1841 | 5/9 Secondary reference Rosebank Engineering |
| 2606136-133 | 3/9 Design control — primary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2606136-133 | 3/2 Design control — primary reference U.S. Government activity |
| 10117161 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-120-4390 is a O-Ring, manufactured by Rosebank Engineering Pty Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-120-4390 has 1 manufacturer part number on file: DB1841 (Rosebank Engineering Pty Ltd).
Key specifications for DB1841: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 1.789 INCHES MINIMUM AND 1.809 INCHES MAXIMUM IN; Material: PLASTIC POLYHEXAMETHYLENE SEBACAMIDE. 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.