The O-Ring, cataloged under National Stock Number 5331-01-561-7579, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fpz, Inc.. 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 | 5331-01-561-7579 |
| Primary Part Number | KR0099 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fpz, 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 |
|---|---|
| KR0099 PRIMARY | Fpz, Inc. (USA) |
NSN 5331-01-561-7579 is a O-Ring, manufactured by Fpz, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-561-7579 has 1 manufacturer part number on file: KR0099 (Fpz, Inc.).
Key specifications for KR0099: Part Name Assigned by Controlling Agency: SEAL RING; End Item Identification: BLOWER SCL K07-MD-7.5. 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.