The O-Ring, cataloged under National Stock Number 5331-01-399-8393, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fluid Handling Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-399-8393 |
| Primary Part Number | 3 355 8 15 101 05 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Material Document and Classification | MIL-R-83248, TY 1, CL 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 16.455 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 |
|---|---|
| 5 131 15 108 002-5 | Fluid Handling Llc (USA) |
| 3 355 8 15 101 05 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 3 355 8 15 101 05 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 5 131 15 108 003 PC 4 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
| 5 131 15 108 002-5 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 5 131 15 108 003 PC 4 | C/1 Advisory reference — outside the item-of-supply concept Itt Corporation Dba Itt Standard |
NSN 5331-01-399-8393 is a O-Ring, manufactured by Fluid Handling Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-399-8393 has 2 manufacturer part numbers on file: 5 131 15 108 002-5 (Fluid Handling Llc), 3 355 8 15 101 05 (Fluid Handling Llc).
Key specifications for 3 355 8 15 101 05: Material Document and Classification: MIL-R-83248, TY 1, CL 1 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 16.455 INCHES NOMINAL IN. 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.