The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-148-6953, 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 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-148-6953 |
| Primary Part Number | 020457512G |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Flange Thickness | 0.625 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 6.000 INCHES NOMINAL IN |
| First End Style Designator | RAISED |
| First Connection Face to Centerline Distance | 3.000 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| First End Raised Face Diameter | 3.625 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Second Connection Face to Centerline Distance | 4.000 INCHES NOMINAL IN |
| First End Connection Type | RAISED FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Raised Face Height | 0.062 INCHES NOMINAL IN |
| Material | ALUMINUM AND BRONZE SEAT |
| Media for Which Designed | HYDRAULIC OIL |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 020457512G PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| N5766-2X2N08-40FAC | 5/9 Secondary reference Tate Andale, Llc |
| 2X2 8-40-FAC | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
| N5766 | D/9 Drawing number reference only Tate Andale, Llc |
| 8-40FAC N5766 | 5/9 Secondary reference Tate Andale, Llc |
NSN 4820-01-148-6953 is a Valve,regulating,fluid Pressure, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-148-6953 has 1 manufacturer part number on file: 020457512G (Tate Andale, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-156-4860, 4820-01-156-4861. Verify interchangeability with system specifications before substitution.
Key specifications for 020457512G: First End Bolt Hole Quantity: 4; Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE. 22 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.