The In Line Filter, cataloged under National Stock Number 4330-01-477-8740, 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 Rix Industries. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-477-8740 |
| Primary Part Number | A77-175 |
| Item Name | In Line Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| A77-175 | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| SS-4F2-60 | 3/9 Design control — primary reference Nupro Co |
NSN 4330-01-477-8740 is a In Line Filter, manufactured by Rix Industries, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-477-8740 has 1 manufacturer part number on file: A77-175 (Rix Industries).
Key specifications for A77-175: Overall Width: 2.690 INCHES NOMINAL IN; Special Features: OUTLET 0.187 INCH; 3/4 INCH ACROSS FLATS, HEX; P/N SS-4F2-LE, BODY WITHOUT ELEMENT; P/N SS-4F-K4-60, ELEMENT IN; Material: STEEL. 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.