The O-Ring, cataloged under National Stock Number 5331-01-610-3886, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-610-3886 |
| Primary Part Number | 579741-04-N811 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Material Document and Classification | MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 0000 156 N811 | John Crane, Inc (USA) |
| NSP-1000045-1 ITEM 10 | John Crane, Inc (USA) |
| A37-2625-1001 ITEM 14 | John Crane, Inc (USA) |
| 579741-04-N811 PRIMARY | John Crane, Inc (USA) |
NSN 5331-01-610-3886 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-610-3886 has 4 manufacturer part numbers on file: 0000 156 N811 (John Crane, Inc), NSP-1000045-1 ITEM 10 (John Crane, Inc), A37-2625-1001 ITEM 14 (John Crane, Inc), 579741-04-N811 (John Crane, Inc).
Key specifications for 579741-04-N811: Material Document and Classification: MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE; Part Name Assigned by Controlling Agency: O-RING, FLUOROCARBON; End Item Identification: SEAL ASSEMBLY; Material: RUBBER FLUOROCARBON CLASS FPM. 2 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.