The O-Ring, cataloged under National Stock Number 5331-01-440-1372, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, 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 | 5331-01-440-1372 |
| Primary Part Number | D-2502 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Center Hole Diameter | 0.674 INCHES NOMINAL IN |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| 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 |
|---|---|
| D-2502 PRIMARY | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
NSN 5331-01-440-1372 is a O-Ring, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-440-1372 has 1 manufacturer part number on file: D-2502 (Aalberts Integrated Piping Systems Americas, Inc.).
Key specifications for D-2502: Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Center Hole Diameter: 0.674 INCHES NOMINAL IN; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM. 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.