The Valve,check, cataloged under National Stock Number 4820-01-139-1832, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser-Rand Co Worthington Compressor Opn a Joint Venture. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-1832 |
| Primary Part Number | VAL-1552 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dresser-Rand Co Worthington Compressor Opn a Joint Venture |
| Status | ACTIVE |
| Thread Series Designator | NPT ALL ENDS |
| Material | COPPER ALLOY SEAT |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | STEEL FLOW CONTROL DEVICE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Disk Loading Method | SPRING |
| Flow Control Device | BALL |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| VAL-1552 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| VAL-1552B | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| VAL-1552B | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| VAL-01552B | Atlas Copco Holyoke Inc (USA) |
| 1552B | Atlas Copco Holyoke Inc (USA) |
| 4590N | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| VAL-1552B | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
NSN 4820-01-139-1832 is a Valve,check, manufactured by Dresser-Rand Co Worthington Compressor Opn a Joint Venture, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-139-1832 has 7 cross-referenced part numbers: VAL-1552 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), VAL-1552B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), VAL-1552B (Siemens Energy, Inc. Dba Dresser-Rand), VAL-01552B (Atlas Copco Holyoke Inc), 1552B (Atlas Copco Holyoke Inc) and 2 more.
There are 3 known substitutes for 4820-01-139-1832: 4310-00-035-7509, 4720-00-383-9880, 6625-00-986-6263. Verify interchangeability with system specifications before substitution.
Key specifications for VAL-1552: Thread Series Designator: NPT ALL ENDS; Material: COPPER ALLOY SEAT; Connection Style: PLAIN (PIPE) ALL ENDS; Style Designator: STRAIGHT THRU. 13 total characteristics are documented in the Federal Logistics Information System.