The O-Ring, cataloged under National Stock Number 5331-01-578-5627, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Freightliner Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (CAGE 9F512); Daimler Truck North America Llc (CAGE 64678); Freightliner Corp (CAGE 79431) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-578-5627 |
| Primary Part Number | 23-13202-000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Freightliner Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| 556565 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| 23-13202-000 | Daimler Truck North America Llc (USA) |
| 23-13202-000 PRIMARY | Freightliner Corp (USA) |
| Reference | Meaning |
|---|---|
| 23-13202 | 3/1 Design control — primary reference Freightliner Corp |
NSN 5331-01-578-5627 is a O-Ring, manufactured by Freightliner Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-578-5627 has 3 manufacturer part numbers on file: 556565 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), 23-13202-000 (Daimler Truck North America Llc), 23-13202-000 (Freightliner Corp).
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.