The Filter,fluid, cataloged under National Stock Number 4130-01-503-7045, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,fluid |
| FSC / FSG | 4130 — Refrigeration and Air Conditioning Components (FSG 41) |
| Manufacturers | Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc (CAGE 0DER9) |
| Parameter | Value |
|---|---|
| NSN | 4130-01-503-7045 |
| Primary Part Number | E5-6654-54 |
| Item Name | Filter,fluid |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| E5-6654-54 PRIMARY | Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc (USA) |
| Reference | Meaning |
|---|---|
| C7F11A | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
| E5-6654 | D/9 Drawing number reference only Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc |
NSN 4130-01-503-7045 is a Filter,fluid, manufactured by Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-503-7045 has 1 manufacturer part number on file: E5-6654-54 (Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-507-5026, 5930-01-507-5824. Verify interchangeability with system specifications before substitution.
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.