The O-Ring, cataloged under National Stock Number 5331-01-541-1497, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Engineered Seal Products Inc Dba Esp International. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-541-1497 |
| Primary Part Number | 1252019C1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Engineered Seal Products Inc Dba Esp International |
| Status | ACTIVE |
| Cross-Sectional Height | 2.921 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1252019C1 | Engineered Seal Products Inc Dba Esp International (USA) |
| Reference | Meaning |
|---|---|
| 6602232 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-541-1497 is a O-Ring, manufactured by Engineered Seal Products Inc Dba Esp International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-541-1497 has 1 manufacturer part number on file: 1252019C1 (Engineered Seal Products Inc Dba Esp International).
Key specifications for 1252019C1: Cross-Sectional Height: 2.921 INCHES NOMINAL IN; Special Features: OD= 4.110; End Item Identification: 3990-01-444-6174. 1 specification is 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.