The O-Ring, cataloged under National Stock Number 5331-00-720-2125, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is L3harris Mas Inc Div L3harris Mas 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-720-2125 |
| Primary Part Number | 7941379-004 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | L3harris Mas Inc Div L3harris Mas Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.229 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 7941379-004 PRIMARY | L3harris Mas Inc Div L3harris Mas Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 7941379-004 | 5/9 Secondary reference U.S. Government activity |
| 7941379-004 | 5/9 Secondary reference General Motors Corp |
| 135577-035ES | 5/9 Secondary reference Eriks B.v. |
| 763C0006REVKPC20 | 5/9 Secondary reference U.S. Government activity |
| 702H0094REVGPC207 | 5/9 Secondary reference U.S. Government activity |
| 69490B35 | 3/9 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5331-00-720-2125 is a O-Ring, manufactured by L3harris Mas Inc Div L3harris Mas Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-720-2125 has 1 manufacturer part number on file: 7941379-004 (L3harris Mas Inc Div L3harris Mas Inc.).
Key specifications for 7941379-004: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 2.229 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.