The Valve,rotary,selector, cataloged under National Stock Number 4820-01-194-2087, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-194-2087
Item Name
Valve,rotary,selector
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
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
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3010-01-194-2088POSSIBLE MATCH
SPOOL ASSEMBLY,TORQUE
Possible match (shared part number)
3020-01-194-4450POSSIBLE MATCH
GEAR,WORM
Possible match (shared part number)
3020-01-194-6969POSSIBLE MATCH
GEAR-SLIP CLUTCH,SPUR
Possible match (shared part number)
3040-01-194-7958POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)
3040-01-195-0198POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)
3010-01-195-4252POSSIBLE MATCH
SHIFTER FORK,NONVEHICULAR
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
B-82244
5/9Secondary reference
Emerson Process Management Valve Automation, Inc.
D-82323 ITEM 205
5/9Secondary reference
Emerson Process Management Valve Automation, Inc.
D-82323
D/9Drawing number reference only
Emerson Process Management Valve Automation, Inc.
C082244-1
3/9Design control — primary reference
Emerson Process Management Valve Automation, Inc.
Related Parts
3010-01-194-2088POSSIBLE MATCH
SPOOL ASSEMBLY,TORQUE
3020-01-194-4450POSSIBLE MATCH
GEAR,WORM
3020-01-194-6969POSSIBLE MATCH
GEAR-SLIP CLUTCH,SPUR
3040-01-194-7958POSSIBLE MATCH
SHAFT,STRAIGHT
3040-01-195-0198POSSIBLE MATCH
WORM SHAFT
3010-01-195-4252POSSIBLE MATCH
SHIFTER FORK,NONVEHICULAR
Frequently Asked Questions
What is NSN 4820-01-194-2087?
NSN 4820-01-194-2087 is a Valve,rotary,selector, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-194-2087?
6 possible matches (shared part number, not a government interchangeability claim): 3010-01-194-2088, 3020-01-194-4450, 3020-01-194-6969. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-194-2087?
Key specifications for 4820-01-194-2087: Special Features: BRONZE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-194-2087 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.