The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-400-6799, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 4820-00-400-6799 |
| Primary Part Number | 11611979 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| First End Connection Type | THREADED INTERNAL PIPE |
| Filter | NOT INCLUDED |
| Flow Control Device | DIAPHRAGM |
| Second End Relationship with First End | IDENTICAL |
| End Connection Quantity | 2 |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Material | COPPER ALLOY BODY |
| Temp Rating | 180.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Facility | FLANGE |
| First End Thread Direction | RIGHT-HAND |
| Valve Loading Method | SPRING |
| Thread Size and Series/type Designator | 0.375-18 NPT FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11611979 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| CRD13C | Griswold Industries Dba Cla-Val Co (USA) |
| 64563 | Griswold Industries Dba Cla-Val Co (USA) |
| 64563 A | Griswold Industries Dba Cla-Val Co (USA) |
| 11611979 PRIMARY | Heil Environmental Industries (USA) |
NSN 4820-00-400-6799 is a Valve,regulating,fluid Pressure, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-400-6799 has 5 cross-referenced part numbers: 11611979 (U S Army Tank Automotive Command Amsta-Im-Mm), CRD13C (Griswold Industries Dba Cla-Val Co), 64563 (Griswold Industries Dba Cla-Val Co), 64563 A (Griswold Industries Dba Cla-Val Co), 11611979 (Heil Environmental Industries).
There is 1 known substitute for 4820-00-400-6799: 6340-00-347-4713. Verify interchangeability with system specifications before substitution.
Key specifications for 11611979: Body Style: STRAIGHT THRU; First End Style Designator: PLAIN; First End Connection Type: THREADED INTERNAL PIPE; Filter: NOT INCLUDED. 14 total characteristics are documented in the Federal Logistics Information System.