The O-Ring, cataloged under National Stock Number 5331-01-545-4430, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-545-4430 |
| Primary Part Number | 1405423-2 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.028 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-25988,CLASS 1,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.110 INCHES NOMINAL IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| 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 |
|---|---|
| 1405423-2 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 016-003759-0002 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
NSN 5331-01-545-4430 is a O-Ring, manufactured by Te Connectivity Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-545-4430 has 1 manufacturer part number on file: 1405423-2 (Te Connectivity Corporation).
Key specifications for 1405423-2: Cross-Sectional Height: 0.028 INCHES NOMINAL IN; Material Document and Classification: MIL-R-25988,CLASS 1,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.110 INCHES NOMINAL IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 4 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.