The Filter Assembly,valve, cataloged under National Stock Number 4820-00-138-0528, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Provision, Inc. Dba Provision Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-138-0528 |
| Primary Part Number | 21590 |
| Item Name | Filter Assembly,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Provision, Inc. Dba Provision Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ASSEMBLY CONSISTS OF 1 STAINLESS STEEL RETAINING RING,1 304 STAINLESS STEEL SCREEN 0.235 IN. DIA 4 MICRON,1 NIPPLE 0.312 IN. OUTSIDE DIAMETER 1/8 NPT IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21590 PRIMARY | Provision, Inc. Dba Provision Inc (USA) |
NSN 4820-00-138-0528 is a Filter Assembly,valve, manufactured by Provision, Inc. Dba Provision Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-138-0528 has 1 cross-referenced part number: 21590 (Provision, Inc. Dba Provision Inc).
There are 6 known substitutes for 4820-00-138-0528: 5950-00-092-6029, 6685-00-181-9928, 6680-00-399-1922 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21590: General Characteristics Item Description: ASSEMBLY CONSISTS OF 1 STAINLESS STEEL RETAINING RING,1 304 STAINLESS STEEL SCREEN 0.235 IN. DIA 4 MICRON,1 NIPPLE 0.312 IN. OUTSIDE DIAMETER 1/8 NPT IN. 1 total characteristics are documented in the Federal Logistics Information System.