The Strainer Element,sediment, cataloged under National Stock Number 4730-01-291-1812, 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 Beswick Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-291-1812 |
| Primary Part Number | 050203 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Beswick Corporation |
| Status | ACTIVE |
| Length | 12.190 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 070575 PC9 | Beswick Corporation (USA) |
| 050203 PRIMARY | Beswick Corporation (USA) |
| Reference | Meaning |
|---|---|
| 070575 | D/9 Drawing number reference only Beswick Engineering Co Inc |
| 050203 | 5/9 Secondary reference Beswick Engineering Co Inc |
| 070575 PC9 | 5/9 Secondary reference Beswick Engineering Co Inc |
NSN 4730-01-291-1812 is a Strainer Element,sediment, manufactured by Beswick Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-291-1812 has 2 manufacturer part numbers on file: 070575 PC9 (Beswick Corporation), 050203 (Beswick Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-528-1968, 3010-01-599-6152. Verify interchangeability with system specifications before substitution.
Key specifications for 050203: Length: 12.190 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Special Features: FLOW RATE 70.0 GPM;DIFFERENTIAL PRESSURE 3 PSID; FEATURES PROVIDED: BY-PASS VALVE; Material: STEEL COMP 304. 3 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.