The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-199-6574, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-6574 |
| Primary Part Number | N5385 PIECE 173 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 6 |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Flange Thickness | 0.688 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 5.063 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| First Connection Face to Centerline Distance | 3.875 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.563 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 3.938 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Second Connection Face to Centerline Distance | 3.875 INCHES NOMINAL IN |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | LUBRICATING OIL, DIESTER BASE |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N5385 PIECE 173 PRIMARY | Tate Andale, Llc (USA) |
| 020451512A PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| N5385 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4820-01-199-6574 is a Valve,regulating,fluid Pressure, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-6574 has 2 manufacturer part numbers on file: N5385 PIECE 173 (Tate Andale, Llc), 020451512A (Tate Andale, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-230-6760. Verify interchangeability with system specifications before substitution.
Key specifications for N5385 PIECE 173: First End Bolt Hole Quantity: 6; Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.