The O-Ring, cataloged under National Stock Number 5331-01-310-1617, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is M. E. Industries, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-310-1617 |
| Primary Part Number | 100193 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | M. E. Industries, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.313 INCHES NOMINAL IN |
| Material Document and Classification | MIL-C-6183 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 20.250 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 |
|---|---|
| C1019 PC 83 | M. E. Industries, Inc. (USA) |
| 100193 PRIMARY | M. E. Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 100-193 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-310-1617 is a O-Ring, manufactured by M. E. Industries, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-310-1617 has 2 manufacturer part numbers on file: C1019 PC 83 (M. E. Industries, Inc.), 100193 (M. E. Industries, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-417-2800. Verify interchangeability with system specifications before substitution.
Key specifications for 100193: Cross-Sectional Height: 0.313 INCHES NOMINAL IN; Material Document and Classification: MIL-C-6183 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: MATERIAL IS RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK OVERALL; Center Hole Diameter: 20.250 INCHES NOMINAL IN. 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.