The Strainer,sediment, cataloged under National Stock Number 4730-01-478-8931, 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 Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-478-8931 |
| Primary Part Number | M6700771 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED ALL FILTERING MEDIA RESPONSES |
| Distance From Bottom of Body to Center of Inlet | 6.812 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Center to Center Distance Between Connections | 1.250 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 12.750 INCHES NOMINAL IN |
| Body Height | 10.563 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE BOTTOM SIDE |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 9.375 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND GAS AND WATER |
| Material | COPPER ALLOY BODY |
| Perforation Diameter | 0.062 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| M6700771 PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| Reference | Meaning |
|---|---|
| 1.5-792F-BH | 5/9 Secondary reference Core Industries Inc. Dba Mueller Steam Specialty |
| BN-1.5-792F-BH | D/9 Drawing number reference only Core Industries Inc. Dba Mueller Steam Specialty |
NSN 4730-01-478-8931 is a Strainer,sediment, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-478-8931 has 1 manufacturer part number on file: M6700771 (Core Industries Inc. Dba Mueller Steam Specialty).
Key specifications for M6700771: Filtering Media Design: PERFORATED ALL FILTERING MEDIA RESPONSES; Distance From Bottom of Body to Center of Inlet: 6.812 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.250 INCHES IN; First Intake Thread Series Designator: NPT. 18 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.