The Tee,pipe, cataloged under National Stock Number 4730-01-356-6788, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-356-6788 |
| Primary Part Number | 1221-100 |
| 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 |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Surface Treatment Document and Classification | ASTM A-153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A-197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.250 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Surface Treatment | ZINC OVERALL |
| Material | IRON MALLEABLE 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 |
|---|---|
| 1221-100 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| Reference | Meaning |
|---|---|
| B16.3 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 4730-01-356-6788 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 4730-01-356-6788 has 1 manufacturer part number on file: 1221-100 (Flagg Stanley G & Co Inc Dba Flagg Brass).
Key specifications for 1221-100: Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Surface Treatment Document and Classification: ASTM A-153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 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.