The O-Ring, cataloged under National Stock Number 5331-01-203-0735, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Spencer Turbine Company the. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Spencer Turbine Company the (CAGE 56213) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-203-0735 |
| Primary Part Number | 188145-184-22 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Spencer Turbine Company the |
| 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 |
|---|---|
| A-29512-1 ITEM22 | Spencer Turbine Company the (USA) |
| 188145-184-22 PRIMARY | Spencer Turbine Company the (USA) |
| Reference | Meaning |
|---|---|
| 188993-96-24 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 188985-992-22 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-203-0735 is a O-Ring, manufactured by Spencer Turbine Company the, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-203-0735 has 2 manufacturer part numbers on file: A-29512-1 ITEM22 (Spencer Turbine Company the), 188145-184-22 (Spencer Turbine Company the).
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.