The Strainer Element,sediment, cataloged under National Stock Number 4730-00-396-5251, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-396-5251 |
| Primary Part Number | 217443 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Length | 1.370 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN |
| End Connection Type | THREADED FIRST END |
| End Connection Type | FLANGED SECOND END |
| Perforation Quantity | 300.0 PER SQUARE INCH |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS5040 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Flange Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Element Outside Diameter | 0.243 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Material | STEEL |
| Perforation Diameter | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Thread Series Designator | UNEF FIRST 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 |
|---|---|
| 217443 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 217443 | 5/9 Secondary reference Royal Oak Gage, Inc |
NSN 4730-00-396-5251 is a Strainer Element,sediment, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-396-5251 has 1 manufacturer part number on file: 217443 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-349-3950. Verify interchangeability with system specifications before substitution.
Key specifications for 217443: Filtering Media Design: PERFORATED; Length: 1.370 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN; End Connection Type: THREADED FIRST END; End Connection Type: FLANGED SECOND END. 13 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.