The Tee,drainage Pipe, cataloged under National Stock Number 4730-01-222-9637, 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 Mcmaster-Carr Supply Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-222-9637 |
| Primary Part Number | 2389K46 |
| Item Name | Tee,drainage Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 2.000 INCHES THIRD END IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM D2665 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Leg Length | 2.460 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.460 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.312 INCHES NOMINAL THIRD END IN |
| Specification/standard Data | 81346-ASTM D2665 GOVERNMENT STANDARD |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 ALL ENDS |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| 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 |
|---|---|
| 2389K46 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 2389K21 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 2388K21 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 2134 | 5/9 Secondary reference George Fischer Sloane, Inc. |
| 4811 | 5/9 Secondary reference Nibco Inc |
NSN 4730-01-222-9637 is a Tee,drainage Pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-222-9637 has 1 manufacturer part number on file: 2389K46 (Mcmaster-Carr Supply Co).
3 possible matches (shared part number, not a government interchangeability claim): 5940-01-225-8040, 5910-01-294-1315, 5305-01-498-5067. Verify interchangeability with system specifications before substitution.
Key specifications for 2389K46: Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 2.000 INCHES THIRD END IN; Connection Style: SOCKET (PIPE) ALL ENDS. 12 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.