The Strainer,sediment, cataloged under National Stock Number 4730-01-256-0538, 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 Staples & Pfeiffer, Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-256-0538 |
| Primary Part Number | 141B-3IN-150-FLGE-W/.045M |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Staples & Pfeiffer, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 10.000 INCHES NOMINAL IN |
| First Intake Flange Thickness | 0.938 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 8.250 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE TOP SIDE |
| Perforation Quantity | 233.0 PER SQUARE INCH |
| Style Designator | Y STRAINER W/BOLTED COVER |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| Body Length | 14.750 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 | NICKEL AND COPPER ALLOY SCREENING |
| Perforation Diameter | 0.045 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION TOP SIDE |
| First Intake Flange Face Style | PLAIN |
| 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 |
|---|---|
| 141B-3IN-150-FLGE-W/.045M PRIMARY | Staples & Pfeiffer, Inc. (USA) |
NSN 4730-01-256-0538 is a Strainer,sediment, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-256-0538 has 1 manufacturer part number on file: 141B-3IN-150-FLGE-W/.045M (Staples & Pfeiffer, Inc.).
Key specifications for 141B-3IN-150-FLGE-W/.045M: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 10.000 INCHES NOMINAL IN; First Intake Flange Thickness: 0.938 INCHES NOMINAL IN; First Intake Flange Outside Diameter: 8.250 INCHES NOMINAL IN. 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.