The Valve,check, cataloged under National Stock Number 4820-00-036-2875, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-036-2875 |
| Primary Part Number | 99121739 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Nominal Outside Diameter | 1.000 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.365 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.010 INCHES SECOND END IN |
| Flange Face Design | PLAIN FIRST END |
| Flange Shape | ROUND FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Disk Loading Method | SPRING |
| Flow Control Device | POPPET |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-036-2875 is a Valve,check, manufactured by Alfa Laval Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-036-2875 has 2 cross-referenced part numbers: 21739 (Alfa Laval Inc), 99121739 (Alfa Laval Inc).
There are 7 known substitutes for 4820-00-036-2875: 1680-00-118-9372, 5999-00-193-4632, 3110-00-227-2201 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 99121739: Nominal Outside Diameter: 1.000 INCHES FIRST END IN; Material: STEEL OVERALL; Nominal Thickness: 0.365 INCHES FIRST END IN; Style Designator: STRAIGHT THRU. 11 total characteristics are documented in the Federal Logistics Information System.