The O-Ring, cataloged under National Stock Number 5331-01-558-9616, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Imi Cornelius Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-558-9616 |
| Primary Part Number | 31525021 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Imi Cornelius Inc. |
| 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 |
|---|---|
| 31525021 PRIMARY | Imi Cornelius Inc. (USA) |
| Reference | Meaning |
|---|---|
| 31525-021 | 5/9 Secondary reference Jet Spray Corp Jet Spray Customer Services Div |
NSN 5331-01-558-9616 is a O-Ring, manufactured by Imi Cornelius Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-558-9616 has 1 manufacturer part number on file: 31525021 (Imi Cornelius Inc.).
Key specifications for 31525021: Special Features: END ITEM: BEVERAGE DISPENSER MJ40-6,ITEM IS PART OF VALVE BLOCK ASSEMBLY AND HAS A 1.250 INCH O.D. BY 1.114 INCH I.D. IN. 0 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.