The O-Ring, cataloged under National Stock Number 5331-01-482-7920, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Co Material Handling Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ingersoll-Rand Co Material Handling Div (CAGE 06550) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-482-7920 |
| Primary Part Number | 20A11CM248 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ingersoll-Rand Co Material Handling Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 20A11CM248 | Ingersoll-Rand Co Material Handling Div (USA) |
| Reference | Meaning |
|---|---|
| 20A11CM248 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 20A11CM248 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 5331-01-482-7920 is a O-Ring, manufactured by Ingersoll-Rand Co Material Handling Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-482-7920 has 1 manufacturer part number on file: 20A11CM248 (Ingersoll-Rand Co Material Handling Div).
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.