The O-Ring, cataloged under National Stock Number 5331-00-857-0557, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Agco Corp Parts Opn. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-857-0557 |
| Primary Part Number | 244734 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Cross-Sectional Height | 0.136 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Center Hole Diameter | 9.109 INCHES MINIMUM AND 9.140 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 |
|---|---|
| 244734 | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| P18663 | 3/9 Design control — primary reference Donaldson Company, Inc. |
NSN 5331-00-857-0557 is a O-Ring, manufactured by Agco Corp Parts Opn, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-857-0557 has 1 manufacturer part number on file: 244734 (Agco Corp Parts Opn).
Key specifications for 244734: Cross-Sectional Height: 0.136 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Center Hole Diameter: 9.109 INCHES MINIMUM AND 9.140 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.