The Tube,sight, cataloged under National Stock Number 4310-01-290-4033, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Lexair Inc. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Tube,sight |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Wellman Group (CAGE K7018); Lexair Inc (CAGE 56607) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-290-4033 |
| Primary Part Number | P80904 |
| Item Name | Tube,sight |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Lexair Inc |
| 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 |
|---|---|
| 156 ITEM 23C | Wellman Group (GBR) |
| X5008/12/156 ITEM 23C | Wellman Group (GBR) |
| P90073 ITEM 102D | Lexair Inc (USA) |
| X5008/12/156/23C | Wellman Group (GBR) |
| P80904 PRIMARY | Lexair Inc (USA) |
| 156/23C | Wellman Group (GBR) |
| P90073/102D | Lexair Inc (USA) |
NSN 4310-01-290-4033 is a Tube,sight, manufactured by Lexair Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-290-4033 has 7 manufacturer part numbers on file: 156 ITEM 23C (Wellman Group), X5008/12/156 ITEM 23C (Wellman Group), P90073 ITEM 102D (Lexair Inc), X5008/12/156/23C (Wellman Group), P80904 (Lexair Inc) and 2 more.
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.