The O-Ring, cataloged under National Stock Number 5331-01-020-4419, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eclipse Aeronautical Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-020-4419 |
| Primary Part Number | 125-7507 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eclipse Aeronautical Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.287 INCHES MINIMUM AND 1.311 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 |
|---|---|
| 125-7507 PRIMARY | Eclipse Aeronautical Corporation (USA) |
| V03854 | Drager Safety Ag & Co. Kgaa (DEU) |
| Reference | Meaning |
|---|---|
| V03854 | 5/9 Secondary reference B/e Aerospace Systems Gmbh Div Life Support Systems Europe |
| 125-7507 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 125-7507 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
NSN 5331-01-020-4419 is a O-Ring, manufactured by Eclipse Aeronautical Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-020-4419 has 2 manufacturer part numbers on file: 125-7507 (Eclipse Aeronautical Corporation), V03854 (Drager Safety Ag & Co. Kgaa).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-026-2712. Verify interchangeability with system specifications before substitution.
Key specifications for 125-7507: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 1.287 INCHES MINIMUM AND 1.311 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.