The Tee,pipe, cataloged under National Stock Number 4730-00-257-2121, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-257-2121 |
| Primary Part Number | 14407 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | CANCELLED |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Maximum Operating Temp | 65.6 CELSIUS SECOND RESPONSE DEGC |
| Thread Series Designator | NPT ALL ENDS |
| Material | IRON OVERALL |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Nondefinitive Spec/std Data | 2 TYPE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Maximum Operating Temp | 260.0 CELSIUS FIRST RESPONSE DEGC |
| Surface Treatment | ZINC OVERALL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 1.500 INCHES NOMINAL ALL ENDS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14407 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 4253-138-15 | Consolidated Welding and Engineering Co (USA) |
| 814E874 | Kersey / American Lafrance a Div of Figgie International Inc (USA) |
| 631+1GALV | Stockham Valves and Fittings Inc (USA) |
| 4520K25 | Mcmaster-Carr Supply Co (USA) |
| WWP521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 30960 | Fwd Seagrave Holdings Lp (USA) |
| B16.3 | The American Society of Mechanical Engineers (USA) |
| 14407 | General Motors Corp (USA) |
| 57B127-1-8G | Lockheed Martin Corp (USA) |
| 10355 | Terex Corp (USA) |
| N155-276-49 | Grinnell Screw Products Co (USA) |
NSN 4730-00-257-2121 is a Tee,pipe, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-257-2121 has 12 cross-referenced part numbers: 14407 (Army Weapons Command Attn Amswe-Ree-S), 4253-138-15 (Consolidated Welding and Engineering Co), 814E874 (Kersey / American Lafrance a Div of Figgie International Inc), 631+1GALV (Stockham Valves and Fittings Inc), 4520K25 (Mcmaster-Carr Supply Co) and 7 more.
There are 12 known substitutes for 4730-00-257-2121: 4320-00-035-7479, 6605-00-064-7182, 9540-00-147-5181 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 14407: Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Special Features: ALL THREAD DIRECTIONS R-H; Nominal Thread Size: 1.000 INCHES ALL ENDS IN; Connection Style: PLAIN (PIPE) ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-257-2121 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.