The Strainer,suction, cataloged under National Stock Number 4730-01-437-4249, 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 Flow Ezy Filters Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-437-4249 |
| Primary Part Number | 50-2-NUT-100 |
| Item Name | Strainer,suction |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flow Ezy Filters Inc |
| Status | ACTIVE |
| Style Designator | SUCTION TYPE BLUNT END |
| 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 |
|---|---|
| 2D3-05192 IT NO 21 | Lake Shore Systems, Inc. (USA) |
| 50-2-NUT-100 PRIMARY | Flow Ezy Filters Inc (USA) |
| Reference | Meaning |
|---|---|
| 2D3-05192 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| 493-8-SS1-2 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris |
NSN 4730-01-437-4249 is a Strainer,suction, manufactured by Flow Ezy Filters Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-437-4249 has 2 manufacturer part numbers on file: 2D3-05192 IT NO 21 (Lake Shore Systems, Inc.), 50-2-NUT-100 (Flow Ezy Filters Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4320-01-438-8777, 4720-01-439-2370, 4820-01-440-7279. Verify interchangeability with system specifications before substitution.
Key specifications for 50-2-NUT-100: Style Designator: SUCTION TYPE BLUNT END; End Item Identification: LAKE SHORE HYDRAULIC POWER UNIT LHD-5 ELEVATOR DOORS. 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.