The Tee,pipe, cataloged under National Stock Number 4730-01-070-3045, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-070-3045 |
| Primary Part Number | 4121-090 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flagg Stanley G & Co Inc Dba Flagg Brass |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM B61 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B62 ASSN STD 2ND MATERIAL RESPONSE OR ASTM B145 ALLOY 4B ASSN STD 3RD MATERIAL RESPONSE OR QQ-390 COMPOSITION 3 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Leg Length | 0.875 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.000 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.000 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES THIRD END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Specification/standard Data | 81348-WW-P-460 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | A CLASS AND 1 RATING |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 4121-090 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| 4121 1/2X3/8X1/2 | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| Reference | Meaning |
|---|---|
| WW-P-460 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-070-3045 is a Tee,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-070-3045 has 2 manufacturer part numbers on file: 4121-090 (Flagg Stanley G & Co Inc Dba Flagg Brass), 4121 1/2X3/8X1/2 (Flagg Stanley G & Co Inc Dba Flagg Brass).
Key specifications for 4121-090: Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM B61 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B62 ASSN STD 2ND MATERIAL RESPONSE OR ASTM B145 ALLOY 4B ASSN STD 3RD MATERIAL RESPONSE OR QQ-390 COMPOSITION 3 FED SPEC 4TH MATERIAL RESPONSE OVERALL; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. 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.