The Strainer,sediment, cataloged under National Stock Number 4730-01-377-1779, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-377-1779 |
| Primary Part Number | 846261L1 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Filtering Media Design | WOVEN SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 8.250 INCHES NOMINAL IN |
| First Intake Flange Raised Face Diameter | 5.000 INCHES NOMINAL IN |
| First Intake Connection Type | RAISED FACE FLANGE SIDE |
| Criticality Code Justification | ZZZY |
| Style Designator | Y STRAINER W/BOLTED COVER |
| Material Document and Classification | MIL-S-15083, CL B MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 14.375 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | STEEL BODY |
| Material | STEEL COMP 304 FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION TOP SIDE |
| First Intake Flange Face Style | RAISED |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 846261L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| D-1903 | 5/1 Secondary reference U.S. Government activity |
| 846261 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-377-1779 is a Strainer,sediment, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-377-1779 has 1 manufacturer part number on file: 846261L1 (Naval Inventory Control Point Mechanicsburg).
4 possible matches (shared part number, not a government interchangeability claim): 4330-01-377-1782, 5307-01-377-1910, 5310-01-377-6272. Verify interchangeability with system specifications before substitution.
Key specifications for 846261L1: Filtering Media Design: WOVEN SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 8.250 INCHES NOMINAL IN; First Intake Flange Raised Face Diameter: 5.000 INCHES NOMINAL IN; First Intake Connection Type: RAISED FACE FLANGE SIDE. 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.