The Tee,pipe, cataloged under National Stock Number 4730-01-178-9645, 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 Cnh Industrial America Llc Dba Cnh America. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-178-9645 |
| Primary Part Number | 221-1693 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED INTERNAL PIPE THIRD END |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.120 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.630 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.120 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Specification/standard Data | 80204-ANSI B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 366.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 7 TABLE |
| 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 |
|---|---|
| 221-1693 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| Reference | Meaning |
|---|---|
| B16.3 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-178-9645 is a Tee,pipe, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-178-9645 has 1 manufacturer part number on file: 221-1693 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for 221-1693: Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 19 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.