General Characteristics Item Description: ALUMINUM; SIZE 0.500 IN. IN
Identification
NSN: 4810-01-197-4909
NIIN: 011974909
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
General Description
The Directional Pilot Air Valve, cataloged under National Stock Number 4810-01-197-4909, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4810-01-197-4909
Item Name
Directional Pilot Air Valve
FSC / FSG
4810 / 48 — Valves, Powered
Status
ACTIVE
General Characteristics Item Description
ALUMINUM; SIZE 0.500 IN. IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
PD4-42-01-91
3/9Design control — primary reference
Bosch Rexroth Corporation Div Bosch Rexroth
PD40042-01-91
5/9Secondary reference
Bosch Rexroth Corporation Div Bosch Rexroth
No interchangeability data on file.
Other items in FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247
4810-00-001-1247 · Item name not on file
4810-00-001-4499
VALVE,SOLENOID
4810-00-001-4531
4810-00-001-4531 · Item name not on file
4810-00-001-4532
4810-00-001-4532 · Item name not on file
4810-00-001-4554
4810-00-001-4554 · Item name not on file
4810-00-001-4555
4810-00-001-4555 · Item name not on file
4810-00-001-4556
4810-00-001-4556 · Item name not on file
4810-00-001-4611
4810-00-001-4611 · Item name not on file
Frequently Asked Questions
What is NSN 4810-01-197-4909?
NSN 4810-01-197-4909 is a Directional Pilot Air Valve, classified under FSC 4810, Valves, Powered. Status: active.
What are the specifications of 4810-01-197-4909?
Key specifications for 4810-01-197-4909: General Characteristics Item Description: ALUMINUM; SIZE 0.500 IN. IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4810-01-197-4909 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.