The Filtering Disk,fluid, cataloged under National Stock Number 4330-01-178-0738, 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 Master Pneumatic-Detroit Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 | 4330-01-178-0738 |
| Primary Part Number | 801-34 |
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Master Pneumatic-Detroit Inc |
| Status | ACTIVE |
| Filtering Media Design | SINGLE STAMPED DISK SINGLE FILTERING MEDIA RESPONSE |
| Design Type | NONREUSABLE |
| Style Designator | ROUND (BASICALLY FLAT) |
| Filtering System for Which Designed | PARTIAL FLOW OR TOTAL FLOW |
| Media for Which Designed | AIR AND WATER |
| 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 |
|---|---|
| 801-34 PRIMARY | Master Pneumatic-Detroit Inc (USA) |
| E100-2 KEY 25 | Master Pneumatic-Detroit Inc (USA) |
NSN 4330-01-178-0738 is a Filtering Disk,fluid, manufactured by Master Pneumatic-Detroit Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-178-0738 has 2 manufacturer part numbers on file: 801-34 (Master Pneumatic-Detroit Inc), E100-2 KEY 25 (Master Pneumatic-Detroit Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5220-01-193-2686, 5945-01-441-7729. Verify interchangeability with system specifications before substitution.
Key specifications for 801-34: Filtering Media Design: SINGLE STAMPED DISK SINGLE FILTERING MEDIA RESPONSE; Design Type: NONREUSABLE; Style Designator: ROUND (BASICALLY FLAT); Filtering System for Which Designed: PARTIAL FLOW OR TOTAL FLOW. 5 specifications are 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.