The O-Ring, cataloged under National Stock Number 5331-01-198-8101, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ingersoll-Rand Company Dba Rotary Compressor Division (CAGE 6R484); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (CAGE 830Q4) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-198-8101 |
| Primary Part Number | X1363T5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| 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 |
|---|---|
| X1363T5 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| H-20481 PIECE 31 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| X1363T5 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| H-20481 PIECE 31 | 5/9 Secondary reference U.S. Government activity |
| H-20481 PIECE 31 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| X1363T5 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-198-8101 is a O-Ring, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-198-8101 has 2 manufacturer part numbers on file: X1363T5 (Ingersoll-Rand Company Dba Rotary Compressor Division), H-20481 PIECE 31 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
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.