The Tee,pipe, cataloged under National Stock Number 4730-01-116-7559, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-116-7559 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 BRAZING RING |
| Nominal Pipe Size Accommodated | 1.250 INCHES THIRD END IN |
| Nominal Pipe Size Accommodated | 2.500 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 2.500 INCHES SECOND END IN |
| Connection Style | SOCKET W/ GROVE (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Leg Length | 2.040 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.040 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.450 INCHES NOMINAL THIRD END IN |
| Specification/standard Data | 81349-MIL-F-1183J GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 425.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Nondefinitive Spec/std Data | 538 SIZE AND A TYPE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| 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 |
| Reference | Meaning |
|---|---|
| CS4730-0123 | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 5121-447 | 5/1 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
| MIL-DTL-1183/9 | 4/1 Identification reference U.S. Government activity |
| 00699067539914 | 5/1 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
| MIL-F-1183 | 5/9 Secondary reference U.S. Government activity |
| CS4730-0123142EJMN | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| M1183/9-538A | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-01-116-7559 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-116-7559: Furnished Items and Quantity: 3 BRAZING RING; Nominal Pipe Size Accommodated: 1.250 INCHES THIRD END IN; Nominal Pipe Size Accommodated: 2.500 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 2.500 INCHES SECOND END IN. 18 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.