The Strainer,suction, cataloged under National Stock Number 4730-01-353-8541, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-353-8541 |
| Primary Part Number | 1977622FN14 |
| Item Name | Strainer,suction |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Outside Diameter | 3.630 INCHES NOMINAL IN |
| Style Designator | SUCTION TYPE BLUNT END |
| Body Length | 21.500 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 |
|---|---|
| 1977622FN14 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1858648 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| TF-U-P18-238-M-S | 5/1 Secondary reference Flow Ezy Filters Inc |
| 1977622 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4730-01-353-8541 is a Strainer,suction, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-353-8541 has 2 manufacturer part numbers on file: 1977622FN14 (Northrop Grumman Systems Corporation), 1858648 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-518-7593. Verify interchangeability with system specifications before substitution.
Key specifications for 1977622FN14: Body Outside Diameter: 3.630 INCHES NOMINAL IN; Style Designator: SUCTION TYPE BLUNT END; Body Length: 21.500 INCHES NOMINAL IN; Special Features: FURNISHED W/DIRT INDICATOR. 3 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.