The Valve,special, cataloged under National Stock Number 4470-00-926-9503, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-926-9503 |
| Primary Part Number | 5-3175A |
| Item Name | Valve,special |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED IN ACCORDANCE WITH NUCLEAR PROPULSION PLANTSYSTEMS |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5-3175A | Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA) |
| 820-2178554-3 | Naval Ship Systems Command (USA) |
NSN 4470-00-926-9503 is a Valve,special, manufactured by Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-00-926-9503 has 2 cross-referenced part numbers: 5-3175A (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 820-2178554-3 (Naval Ship Systems Command).
There is 1 known substitute for 4470-00-926-9503: 5342-00-652-9794. Verify interchangeability with system specifications before substitution.
Key specifications for 5-3175A: Reference Number Differentiating Characteristics: SELECTED AND TESTED IN ACCORDANCE WITH NUCLEAR PROPULSION PLANTSYSTEMS; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.