The Trap,moisture, cataloged under National Stock Number 4730-01-018-8602, 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 Koch-Otto York, Division of Koch-Glitsch, Inc. Dba Koch-Otto York Div Koch-Glitsch, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-018-8602 |
| Primary Part Number | A-9241-4 MDL 321 |
| Item Name | Trap,moisture |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Koch-Otto York, Division of Koch-Glitsch, Inc. Dba Koch-Otto York Div Koch-Glitsch, Inc. |
| Status | ACTIVE |
| Overall Outside Diameter | 11.750 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 |
|---|---|
| A-9241-4 MDL 321 PRIMARY | Koch-Otto York, Division of Koch-Glitsch, Inc. Dba Koch-Otto York Div Koch-Glitsch, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A9241-1 | 5/1 Secondary reference Koch-Otto York, Division of Koch-Glitsch, Inc. Dba Koch-Otto York Div Koch-Glitsch, Inc. |
| 215-4363419PC17 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-018-8602 is a Trap,moisture, manufactured by Koch-Otto York, Division of Koch-Glitsch, Inc. Dba Koch-Otto York Div Koch-Glitsch, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-018-8602 has 1 manufacturer part number on file: A-9241-4 MDL 321 (Koch-Otto York, Division of Koch-Glitsch, Inc. Dba Koch-Otto York Div Koch-Glitsch, Inc.).
Key specifications for A-9241-4 MDL 321: Overall Height: 2.500 INCHES NOMINAL IN; Overall Outside Diameter: 11.750 INCHES NOMINAL IN. 1 specification is 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.