The Tee,pipe, cataloged under National Stock Number 4730-01-331-4101, 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 Cunico Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-331-4101 |
| Primary Part Number | 4-5202702 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| FSC Application Data | EMERGENCY FIRE PUMP |
| Nominal Pipe Size Accommodated | 2.500 INCHES THIRD END IN |
| Nominal Pipe Size Accommodated | 4.875 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 5.000 INCHES SECOND END IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Material Document and Classification | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE AND ASME SB-402 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 4.844 INCHES NOMINAL THIRD END IN |
| Leg Length | 4.875 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.875 INCHES NOMINAL SECOND END IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 4-5202702 PRIMARY | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| 40-5202702 | C/1 Advisory reference — outside the item-of-supply concept Cunico Corporation |
NSN 4730-01-331-4101 is a Tee,pipe, manufactured by Cunico Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-331-4101 has 1 manufacturer part number on file: 4-5202702 (Cunico Corporation).
Key specifications for 4-5202702: FSC Application Data: EMERGENCY FIRE PUMP; Nominal Pipe Size Accommodated: 2.500 INCHES THIRD END IN; Nominal Pipe Size Accommodated: 4.875 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 5.000 INCHES SECOND END IN. 11 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.