The Strainer,sediment, cataloged under National Stock Number 4730-00-181-5503, 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 The Boeing Company. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-181-5503 |
| Primary Part Number | 114DS452-2 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| First Discharge Thread Class | 3A A |
| First Discharge Connection Type | THREADED INTERNAL TUBE BASE |
| First Discharge Thread Quantity Per Inch | 12 |
| Surface Treatment Document and Classification | S-362 MFR REF ALL TREATMENT RESPONSES BODY |
| First Intake Nominal Thread Size | 1.312 INCHES IN |
| First Intake Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Body Outside Diameter | 2.500 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED INTERNAL TUBE BASE |
| First Intake Thread Class | 3A A |
| Style Designator | INLINE (HYDRAULIC) |
| First Discharge Nominal Thread Size | 1.312 INCHES IN |
| Body Length | 5.000 INCHES NOMINAL IN |
| First Discharge Thread Direction | RIGHT-HAND |
| Surface Treatment | PHOSPHATE BODY |
| Material | ALUMINUM ALLOY BODY |
| First Intake Thread Quantity Per Inch | 12 |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| First Discharge Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| 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 |
|---|---|
| 114DS452-2 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| A3778 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-181-5503 is a Strainer,sediment, manufactured by The Boeing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-181-5503 has 1 manufacturer part number on file: 114DS452-2 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 2040-00-399-4846. Verify interchangeability with system specifications before substitution.
Key specifications for 114DS452-2: First Discharge Thread Class: 3A A; First Discharge Connection Type: THREADED INTERNAL TUBE BASE; First Discharge Thread Quantity Per Inch: 12; Surface Treatment Document and Classification: S-362 MFR REF ALL TREATMENT RESPONSES BODY. 20 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.