The O-Ring, cataloged under National Stock Number 5331-01-475-3934, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Middleby Marshall Inc Conveyor Ovens and Mixers Div. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-475-3934 |
| Primary Part Number | 21920-0004 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Middleby Marshall Inc Conveyor Ovens and Mixers Div |
| Status | ACTIVE |
| Center Hole Diameter | 0.614 INCHES NOMINAL IN |
| 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 |
|---|---|
| 21920-0004 PRIMARY | Middleby Marshall Inc Conveyor Ovens and Mixers Div (USA) |
NSN 5331-01-475-3934 is a O-Ring, manufactured by Middleby Marshall Inc Conveyor Ovens and Mixers Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-475-3934 has 1 manufacturer part number on file: 21920-0004 (Middleby Marshall Inc Conveyor Ovens and Mixers Div).
Key specifications for 21920-0004: Special Features: NSF (NATIONAL SANITATION FOUNDATION) APPROVED ITEM;0.754 IN OD IN; Center Hole Diameter: 0.614 INCHES NOMINAL IN; End Item Identification: FOR GP1060 & GP1080 TITAN MIXER. 1 specification is 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.