The Head,sediment Strainer, cataloged under National Stock Number 4730-01-485-5145, 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 Rtx Corporation Div Pratt & Whitney. 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 | 4730-01-485-5145 |
| Primary Part Number | 744430 |
| Item Name | Head,sediment Strainer |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Outlet Flange Raised Face Feature | NOT INCLUDED |
| Outlet Flange Outside Diameter | 3.875 INCHES NOMINAL IN |
| Outlet Flange Mounting Provision and Quantity | 3 HOLES |
| Inlet Port Type | THREADED FEMALE, GASKET SEAL |
| Inlet Nominal Thread Size | 0.750 INCHES IN |
| Outlet Port Type | FLANGE |
| Criticality Code Justification | FEAT |
| Mounting Bolt Hole | NOT PROVIDED |
| Thread Direction | RIGHT-HAND INLET |
| Valve | NOT INCLUDED |
| Thread Size | 1/4 IN - 20 FIRST OUTLET FLANGE MOUNTING PROVISION IN |
| Inlet Thread Series Designator | UNF |
| Outlet Flange Mounting Hole Diameter | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Filter Element | NOT INCLUDED |
| Material | STEEL |
| Outlet Flange Mounting Provision Spacing | 1/3 OF 3.875 INCH BOLT HOLE DIAMETER IN |
| Inlet Thread Class | 3B |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 744430 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 4730-01-485-5145 is a Head,sediment Strainer, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-485-5145 has 1 manufacturer part number on file: 744430 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 744430: Outlet Flange Raised Face Feature: NOT INCLUDED; Outlet Flange Outside Diameter: 3.875 INCHES NOMINAL IN; Outlet Flange Mounting Provision and Quantity: 3 HOLES; Inlet Port Type: THREADED FEMALE, GASKET SEAL. 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.
NSN 4730-01-485-5145 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.