The Sight Glass,level, cataloged under National Stock Number 4330-01-144-4627, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Norgren C a Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-144-4627 |
| Primary Part Number | 2273-08 |
| Item Name | Sight Glass,level |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| General Characteristics Item Description | PYREX SIGHT GLASS; INTEGRAL WITH BOWL; USED ON FILTER,AIR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2273-08 PRIMARY | Norgren C a Co (USA) |
NSN 4330-01-144-4627 is a Sight Glass,level, manufactured by Norgren C a Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-144-4627 has 1 manufacturer part number on file: 2273-08 (Norgren C a Co).
2 possible matches (shared part number, not a government interchangeability claim): 4940-01-194-5622, 4470-01-358-0005. Verify interchangeability with system specifications before substitution.
Key specifications for 2273-08: General Characteristics Item Description: PYREX SIGHT GLASS; INTEGRAL WITH BOWL; USED ON FILTER,AIR; End Item Identification: 4920010747836. 1 specification is documented in the U.S. Government catalog.
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.