The Valve,flow Control, cataloged under National Stock Number 4820-01-524-8957, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-524-8957 |
| Primary Part Number | S15A5.0 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Operating Pressure and Type | 4600.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED AND 4600.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PHOSPHATE ESTER MAXIMUM REQUIRED LBS |
| Valve Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-524-8957 is a Valve,flow Control, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-524-8957 has 4 manufacturer part numbers on file: 526-12752 (L3harris Technologies, Inc.), S15A5.0 (Bosch Rexroth Corporation Div Industrial Hydraulics), 526-12752 (Rolls-Royce Canada Limited Div Rolls-Royce Canada Limited), 138432 (Bosch Rexroth Canada Corp).
Key specifications for S15A5.0: Operating Pressure and Type: 4600.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED AND 4600.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PHOSPHATE ESTER MAXIMUM REQUIRED LBS; Special Features: FLUID TEMP RANGE NBR SEALS M22.0 TO 158.0 DEG F; FPM SEALS M4.0 TO 158.0 DEG F; VISCOSITY RANGE 35 TO 2320 SUS; MAX DEGREE OF FLUID CONTAMINATION CLASS 18/15 ACCORDING TO ISO 4406; THREADED VERSION A 3/4 INCH SIZE 15; 12 SAE THREADS IN; End Item Identification: ALOFTS SONAR SYSTEM MODEL 980 (V1); Valve Operation Method: HYDRAULIC. 2 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.