The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-288-6673, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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 | 4820-00-288-6673 |
| Primary Part Number | T440 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Second End Bolt Hole Diameter | 0.688 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| Second End Bolt Circle Diameter | 4.625 INCHES NOMINAL IN |
| First End Nominal Pipe Size Accommodated | 0.750 INCHES IN |
| Furnished Items | BRAZING RING |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Bolt Hole Quantity | 6 |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| Second End Connection Type | PLAIN FACE FLANGE |
| First End Style Designator | SOCKET W/BRAZING RING |
| Body Style | STRAIGHT THRU |
| Second End Flange Outside Diameter | 5.938 INCHES NOMINAL IN |
| Second End Flange Shape Style | ROUND W/ BOLT HOLES |
| Media for Which Designed | AIR |
| Valve Loading Method | DOME |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 5.0 TO 600.0 CAMERA MOUNT |
| Filter | NOT INCLUDED |
| Valve Stem Design | SINGLE SEAT |
| Maximum Inlet Pressure Rating | ERR-060 |
| Material | STEEL CORROSION RESISTING SEAT |
| Regulation Type | MANUAL SINGLE STAGE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Renewable Seat Ring Type | THREADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| T440 | Fairbanks Morse, Llc (USA) |
| T440 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| N519 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| T440 PRIMARY | Grove Valve Operations (USA) |
| N519 | Fairbanks Morse, Llc (USA) |
| 81221S4105-599715ALT1 PRIMARY | Naval Ship Systems Command (USA) |
NSN 4820-00-288-6673 is a Valve,regulating,fluid Pressure, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-288-6673 has 6 cross-referenced part numbers: T440 (Fairbanks Morse, Llc), T440 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), N519 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), T440 (Grove Valve Operations), N519 (Fairbanks Morse, Llc) and 1 more.
There are 2 known substitutes for 4820-00-288-6673: 4310-00-028-6892, 2940-01-102-5454. Verify interchangeability with system specifications before substitution.
Key specifications for T440: Second End Bolt Hole Diameter: 0.688 INCHES NOMINAL IN; Second End Style Designator: PLAIN; Second End Bolt Circle Diameter: 4.625 INCHES NOMINAL IN; First End Nominal Pipe Size Accommodated: 0.750 INCHES IN. 24 total characteristics are documented in the Federal Logistics Information System.