The O-Ring, cataloged under National Stock Number 5331-01-614-2578, 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 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-614-2578 |
| Primary Part Number | 103499 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | M. E. Industries, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 12.25 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| 103499 PRIMARY | M. E. Industries, Inc. (USA) |
NSN 5331-01-614-2578 is a O-Ring, manufactured by M. E. Industries, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-614-2578 has 1 manufacturer part number on file: 103499 (M. E. Industries, Inc.).
Key specifications for 103499: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 12.25 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING,CLOSURE MEFS33V50M-LW. 4 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.