The O-Ring, cataloged under National Stock Number 5331-01-331-5847, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Valley Seal Company Dba Valley Seal Co. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-331-5847 |
| Primary Part Number | 4618102-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Valley Seal Company Dba Valley Seal Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 11.555 INCHES MINIMUM AND 11.685 INCHES MAXIMUM IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| 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 |
|---|---|
| 4618102-1 PRIMARY | Valley Seal Company Dba Valley Seal Co (USA) |
| Reference | Meaning |
|---|---|
| 4618102-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-331-5847 is a O-Ring, manufactured by Valley Seal Company Dba Valley Seal Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-331-5847 has 1 manufacturer part number on file: 4618102-1 (Valley Seal Company Dba Valley Seal Co).
Key specifications for 4618102-1: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 11.555 INCHES MINIMUM AND 11.685 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 3 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.