The Strainer Element,sediment, cataloged under National Stock Number 4730-00-436-8440, 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 Northrop Grumman Systems Corporation. Government technical data includes 10 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. 3 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 | 4730-00-436-8440 |
| Primary Part Number | G183 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Filtering Media Design | MESH |
| Length | 5.875 INCHES NOMINAL IN |
| First End Flange Thickness | 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Mesh Size | 10.0 |
| End Connection Type | PLAIN SECOND END |
| End Connection Type | FLANGED FIRST END |
| Style Designator | CYLINDRICAL |
| Element Outside Diameter | 4.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY AND NICKEL ALLOY |
| Wire Diameter | 0.02500 INCHES NOMINAL IN |
| 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 |
|---|---|
| G183 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 4730-00-436-8440 is a Strainer Element,sediment, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-436-8440 has 1 manufacturer part number on file: G183 (Northrop Grumman Systems Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 3439-01-411-5726, 3439-01-411-5729, 5330-01-668-9979. Verify interchangeability with system specifications before substitution.
Key specifications for G183: Filtering Media Design: MESH; Length: 5.875 INCHES NOMINAL IN; First End Flange Thickness: 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Mesh Size: 10.0. 10 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.