The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-644-0074, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-644-0074 |
| Primary Part Number | LRBA-XDV-AP |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Material | STEEL BODY |
| 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 |
|---|---|
| LRBA-XDV-AP PRIMARY | Sun Hydraulics Corporation (USA) |
NSN 4820-01-644-0074 is a Valve,regulating,fluid Pressure, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-0074 has 1 manufacturer part number on file: LRBA-XDV-AP (Sun Hydraulics Corporation).
Key specifications for LRBA-XDV-AP: Special Features: CONTROL: NON-ADJUSTABLE; BIAS PRESSURE: 50PSI (3,5 BAR); SEAL MATERIAL: VITON; MATERIAL/COATING: STAINLESS STEEL, PASSIVATED; CAPACITY: 60 GPM; CAVITY: T-17A; SERIES: 3; MAX. OPERATING PRESSURE: 5000PSI; CONTRO PILOT FLOW: 15-30 IN3/MIN; CONTROL ORIFICE DIAMETER: .021 IN; VALVE HEX SIZE: 1 1/4 IN; VALVE INSTALLATION TORGUE: BUNA: 150-160 LBF FT; SEAL KIT - CARTRIDGE: BUNA: 990-170-007, POLYURETHANE: 990-170-002, VITON: 990-170-006; MODEL WEIGHT: 1.02KG A; Part Name Assigned by Controlling Agency: CARTRIDGE VALVE; End Item Identification: SUBMARINE BARRACUDA; Material: STEEL BODY. 1 specification is 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.