The Strainer,sediment, cataloged under National Stock Number 4730-01-030-2198, 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 Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-030-2198 |
| Primary Part Number | BT3-4-20MSS SCREWED |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| First Intake Nominal Thread Size | 0.750 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Temp Rating | 406.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Mesh Size | 20.0 |
| First Intake Connection Type | THREADED INTERNAL PIPE LINE |
| Style Designator | Y STRAINER W/THREADED COVER |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 4.625 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | WATER |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING SCREENING |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| Wire Diameter | 0.033 INCHES NOMINAL IN |
| 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 |
|---|---|
| BT3-4-20MSS SCREWED PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| P47708-091 | 5/1 Secondary reference Steris Corporation Dba Steris Applied Sterilization Technololgies |
| 47708-091 | 5/1 Secondary reference Steris Corporation Dba Steris Applied Sterilization Technololgies |
| P47708-091 | 5/9 Secondary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
| BT3-4-20MSS | 5/1 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
| 47708-091 | 5/9 Secondary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
NSN 4730-01-030-2198 is a Strainer,sediment, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-030-2198 has 1 manufacturer part number on file: BT3-4-20MSS SCREWED (Spirax Sarco Inc Dba Spirax Sarco).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-194-0354. Verify interchangeability with system specifications before substitution.
Key specifications for BT3-4-20MSS SCREWED: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; First Intake Nominal Thread Size: 0.750 INCHES IN; First Intake Thread Series Designator: NPT; Temp Rating: 406.0 FAHRENHEIT NOMINAL DEGF. 17 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.