The O-Ring, cataloged under National Stock Number 5331-01-650-2576, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Gross Mechanical Laboratories Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-650-2576 |
| Primary Part Number | 2-140 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Gross Mechanical Laboratories Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.094 INCHES NOMINAL IN |
| Center Hole Diameter | 2.250 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 2-140 PRIMARY | Gross Mechanical Laboratories Inc (USA) |
NSN 5331-01-650-2576 is a O-Ring, manufactured by Gross Mechanical Laboratories Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-650-2576 has 1 manufacturer part number on file: 2-140 (Gross Mechanical Laboratories Inc).
Key specifications for 2-140: Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Center Hole Diameter: 2.250 INCHES NOMINAL IN; Material: RUBBER. 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.