The Cock,drain, cataloged under National Stock Number 4820-01-129-4547, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rockwell Collins Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-129-4547 |
| Primary Part Number | 1819-3 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Rockwell Collins Inc |
| Status | ACTIVE |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Material | STEEL CORROSION RESISTING BODY |
| Operating Pressure | 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Angle | 37.0 DEGREES FIRST END |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Supplementary Features | III FSC APPLICATION DATA: F107-WR-101 ACLM ENGINE FUEL SYSTEM |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Flow Control Device | STEM |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Thread Series Designator | UNF SECOND END |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A SECOND END A |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Valve Operation Method | MANUAL |
| Thread Direction | RIGHT-HAND SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-129-4547 is a Cock,drain, manufactured by Rockwell Collins Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-129-4547 has 2 cross-referenced part numbers: 23200 (Williams International Co., L.l.c.), 1819-3 (Rockwell Collins Inc).
There are 12 known substitutes for 4820-01-129-4547: 5935-00-204-6726, 5306-00-207-9635, 5133-00-227-5992 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1819-3: Nominal Thread Size: 0.312 INCHES FIRST END IN; Material: STEEL CORROSION RESISTING BODY; Operating Pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Seat Angle: 37.0 DEGREES FIRST END. 19 total characteristics are documented in the Federal Logistics Information System.