The O-Ring, cataloged under National Stock Number 5331-01-032-3337, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (CAGE 11440) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-032-3337 |
| Primary Part Number | B171-189-R-5 PIECE CE32 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| 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 |
|---|---|
| B171-189-R-5 PIECE CE32 PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| E171-422KPC421 | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| B171-189 | 5/9 Secondary reference Harvard Precision Components Inc |
| E171-422PC421 | C/1 Advisory reference — outside the item-of-supply concept Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| B171-189 | 5/9 Secondary reference Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| 421 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-032-3337 is a O-Ring, manufactured by Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-032-3337 has 2 manufacturer part numbers on file: B171-189-R-5 PIECE CE32 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), E171-422KPC421 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
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.