The Seat,valve, cataloged under National Stock Number 4820-00-725-2601, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-725-2601 |
| Primary Part Number | 10531-005 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Body Inside Diameter | 0.125 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Thread Class | 2A FIRST THREADED PORTION A |
| Nominal Thread Size | 0.438 INCHES SECOND THREADED PORTION IN |
| Thread Length | 0.750 INCHES NOMINAL FIRST THREADED PORTION IN |
| Thread Series Designator | UNF SECOND THREADED PORTION |
| Style Designator | DOUBLE FLANGED |
| Thread Class | 2A SECOND THREADED PORTION A |
| Seat Angle in Deg | 45.000 NOMINAL |
| Nominal Thread Size | 0.500 INCHES FIRST THREADED PORTION IN |
| Material | COPPER ALLOY OVERALL |
| Thread Length | 0.500 INCHES NOMINAL SECOND THREADED PORTION IN |
| Thread Series Designator | UNF FIRST THREADED PORTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10531-005 | Rosemount Analytical, Inc. Div Process Analytical Division (USA) |
| 10531-5 | Rosemount Analytical, Inc. Div Process Analytical Division (USA) |
| 10531-005 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 10531-005 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 10531-5 | Calgon Corp (USA) |
| 10531-005 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
NSN 4820-00-725-2601 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-725-2601 has 6 cross-referenced part numbers: 10531-005 (Rosemount Analytical, Inc. Div Process Analytical Division), 10531-5 (Rosemount Analytical, Inc. Div Process Analytical Division), 10531-005 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 10531-005 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 10531-5 (Calgon Corp) and 1 more.
There are 4 known substitutes for 4820-00-725-2601: 4720-00-369-7851, 5950-00-371-9157, 5985-01-182-9659 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10531-005: Body Inside Diameter: 0.125 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Thread Class: 2A FIRST THREADED PORTION A; Nominal Thread Size: 0.438 INCHES SECOND THREADED PORTION IN. 14 total characteristics are documented in the Federal Logistics Information System.