The Strainer,suction, cataloged under National Stock Number 4730-01-439-3022, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rolls-Royce Corporation. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Strainer,suction |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Rolls-Royce Corporation (CAGE 63005); Flow Ezy Filters Inc (CAGE 55524) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-439-3022 |
| Primary Part Number | 23059116-1 |
| Item Name | Strainer,suction |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rolls-Royce Corporation |
| 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 |
|---|---|
| 23059090 ITEM 3 | Rolls-Royce Corporation (USA) |
| 23059116-1 PRIMARY | Rolls-Royce Corporation (USA) |
| M-6-40 | Flow Ezy Filters Inc (USA) |
| Reference | Meaning |
|---|---|
| M-6-40-SS | 5/9 Secondary reference Flow Ezy Filters Inc |
| 23059116 | 7/1 Vendor item drawing reference Rolls-Royce Corporation |
| 23059090 | D/9 Drawing number reference only Rolls-Royce Corporation |
NSN 4730-01-439-3022 is a Strainer,suction, manufactured by Rolls-Royce Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-439-3022 has 3 manufacturer part numbers on file: 23059090 ITEM 3 (Rolls-Royce Corporation), 23059116-1 (Rolls-Royce Corporation), M-6-40 (Flow Ezy Filters Inc).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-677-2043, 7710-01-682-4959, 1240-01-691-5138. 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.