The Strainer,sediment, cataloged under National Stock Number 4730-01-431-2528, 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 O. C. Keckley Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-431-2528 |
| Primary Part Number | SB-.75IN-SW-3/64SSTL |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | O. C. Keckley Company |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 3.625 INCHES NOMINAL IN |
| Temp Rating | 100.0 FAHRENHEIT MINIMUM AND 838.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Connection Type | SOCKET WELDING LINE |
| Perforation Quantity | 225.0 PER SQUARE INCH |
| Style Designator | Y STRAINER W/BOLTED COVER |
| Material Document and Classification | ASTM A216-77 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1480.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 4.000 INCHES NOMINAL IN |
| First Intake Nominal Inside Diameter | 0.750 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | WATER |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Perforation Diameter | 0.046 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 |
|---|---|
| 1136-00-C IT22 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| SB-.75IN-SW-3/64SSTL PRIMARY | O. C. Keckley Company (USA) |
| 1137-00-C IT22 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| 1136-00-C | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| 1137-00-C | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4730-01-431-2528 is a Strainer,sediment, manufactured by O. C. Keckley Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-431-2528 has 3 manufacturer part numbers on file: 1136-00-C IT22 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), SB-.75IN-SW-3/64SSTL (O. C. Keckley Company), 1137-00-C IT22 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for SB-.75IN-SW-3/64SSTL: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 3.625 INCHES NOMINAL IN; Temp Rating: 100.0 FAHRENHEIT MINIMUM AND 838.0 FAHRENHEIT MAXIMUM DEGF; First Intake Connection Type: SOCKET WELDING LINE. 16 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.