The Cap,pipe, cataloged under National Stock Number 4730-00-203-3168, 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 Demarkus Corp Refrigeration Engineering Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-3168 |
| Primary Part Number | 539322-07464 |
| Item Name | Cap,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Demarkus Corp Refrigeration Engineering Corp |
| Status | CANCELLED |
| Nominal Thread Size | 0.250 INCHES INTERNAL IN |
| Material Document and Classification | ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A216,GR WCA ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Connection Style | PLAIN (OPTIONAL END) |
| Thread Series Designator | NPT INTERNAL |
| Surface Treatment | ZINC OVERALL |
| Nominal Pipe Size for Which Designed | 0.250 INCHES IN |
| Nondefinitive Spec/std Data | 2 TYPE |
| Surface Treatment Document and Classification | QQ-Z-325,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | CAP |
| Thread Direction | RIGHT-HAND INTERNAL |
| Material | IRON OR STEEL OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 539322-07464 | Demarkus Corp Refrigeration Engineering Corp (USA) |
| 617349 | C-Tech Industries Inc (USA) |
| ASME B16.3 | The American Society of Mechanical Engineers (USA) |
| WW-P-521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 539322 | Badger Fire Protection Inc (USA) |
| 5-11-2-8 | Technology General Corporation Dba Clawson Machine Division Div Eclipse Systems (USA) |
NSN 4730-00-203-3168 is a Cap,pipe, manufactured by Demarkus Corp Refrigeration Engineering Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-203-3168 has 6 cross-referenced part numbers: 539322-07464 (Demarkus Corp Refrigeration Engineering Corp), 617349 (C-Tech Industries Inc), ASME B16.3 (The American Society of Mechanical Engineers), WW-P-521 (Federal Specifications Promulgated by General Services Administration Washington DC), 539322 (Badger Fire Protection Inc) and 1 more.
There are 4 known substitutes for 4730-00-203-3168: 4330-00-740-2568, 3110-00-855-5706, 2990-01-335-9728 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 539322-07464: Nominal Thread Size: 0.250 INCHES INTERNAL IN; Material Document and Classification: ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A216,GR WCA ASSN STD 2ND MATERIAL RESPONSE OVERALL; Connection Style: PLAIN (OPTIONAL END); Thread Series Designator: NPT INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-203-3168 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.