The O-Ring, cataloged under National Stock Number 5331-01-570-3499, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Advantec Manufacturing Usa, Inc.. 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 | 5331-01-570-3499 |
| Primary Part Number | 0441-2045 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Advantec Manufacturing Usa, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.157 INCHES NOMINAL IN |
| Center Hole Diameter | 1.063 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 0441-2045 PRIMARY | Advantec Manufacturing Usa, Inc. (USA) |
NSN 5331-01-570-3499 is a O-Ring, manufactured by Advantec Manufacturing Usa, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-570-3499 has 1 manufacturer part number on file: 0441-2045 (Advantec Manufacturing Usa, Inc.).
Key specifications for 0441-2045: Cross-Sectional Height: 0.157 INCHES NOMINAL IN; Center Hole Diameter: 1.063 INCHES NOMINAL IN; End Item Identification: HANDLE ASSEMBLY,FABRICATED HATCH; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.