The Seat,valve, cataloged under National Stock Number 4820-01-083-0257, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser-Rand Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-083-0257 |
| Primary Part Number | NM0133-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dresser-Rand Company |
| Status | CANCELLED |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Style Designator | PLAIN THREADED |
| Material | STEEL OVERALL |
| Seating Surface Shape | ANGULAR |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Thread Length | 0.975 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Body Inside Diameter | 7.125 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.000 NOMINAL |
| Nominal Thread Size | 8.250 INCHES SINGLE THREADED PORTION IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NM0133-1 | Dresser-Rand Company (USA) |
| NM0133-1 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| S-1045PC17-18 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| NM0133-1 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| S-1045 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| NM0133-1 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| NM-1331-1 AND N | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| S1032PC17 AND 18 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| NM-133-1 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| NM-133-1-NK-191-1 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| S-1032 PIECE 18 | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| S-1045PC17 AND | Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA) |
| S1032PC17-18MM1331-1 | Tractech Inc (USA) |
NSN 4820-01-083-0257 is a Seat,valve, manufactured by Dresser-Rand Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-083-0257 has 13 cross-referenced part numbers: NM0133-1 (Dresser-Rand Company), NM0133-1 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), S-1045PC17-18 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), NM0133-1 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), S-1045 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp) and 8 more.
There are 10 known substitutes for 4820-01-083-0257: 3110-00-198-1064, 2910-00-354-5116, 4820-01-082-3443 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for NM0133-1: Thread Class: 2A SINGLE THREADED PORTION A; Thread Series Designator: UNS SINGLE THREADED PORTION; Style Designator: PLAIN THREADED; Material: STEEL OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-083-0257 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.