The Head,valve, cataloged under National Stock Number 4820-01-053-1574, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-053-1574 |
| Primary Part Number | 820-2178660-53 |
| Item Name | Head,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Spx Flow Us, Llc Dba Spx Valves & Controls |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 820-2178660-53 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| 820-2178664-3 | Naval Sea Systems Command (USA) |
NSN 4820-01-053-1574 is a Head,valve, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-053-1574 has 2 cross-referenced part numbers: 820-2178660-53 (Spx Flow Us, Llc Dba Spx Valves & Controls), 820-2178664-3 (Naval Sea Systems Command).
There are 2 known substitutes for 4820-01-053-1574: 5120-00-283-3796, 4730-00-900-9482. Verify interchangeability with system specifications before substitution.
Key specifications for 820-2178660-53: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Special Features: FSC CHANGE 10/2/2025; Criticality Code Justification: ZZZY. 3 total characteristics are documented in the Federal Logistics Information System.