NSN 4810-01-185-9542 · NIIN 011859542 · Part number 3G4921-C,D
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · FSC 4810 — Valves, Powered · FSG 48 — Valves · CAGE 52374
Government record, cited
NSN 4810-01-185-9542 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-185-9542. Manufacturer of record part number: 3G4921-C,D.
General Characteristics Item Description: ALUMINUM
2 manufacturer part numbers on file
Manufacturer of record: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Identification
NSN: 4810-01-185-9542
NIIN: 011859542
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: 3G4921-C,D
Manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
General Description
The Operator-Valve, cataloged under National Stock Number 4810-01-185-9542, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 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
4810-01-185-9542
Primary Part Number
3G4921-C,D
Item Name
Operator-Valve
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Status
ACTIVE
General Characteristics Item Description
ALUMINUM
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-476-508521500-026POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
4810-01-476-508821500-028POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
4810-01-476-510661-420-0309-2POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
4810-01-476-511221500-041POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
4810-01-476-511621500-105POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Related Parts
4810-01-476-5085POSSIBLE MATCH
PARTS KIT,VALVE
21500-026
4810-01-476-5088POSSIBLE MATCH
PARTS KIT,VALVE
21500-028
4810-01-476-5106POSSIBLE MATCH
PARTS KIT,VALVE
61-420-0309-2
4810-01-476-5112POSSIBLE MATCH
PARTS KIT,VALVE
21500-041
4810-01-476-5116POSSIBLE MATCH
PARTS KIT,VALVE
21500-105
Frequently Asked Questions
What is NSN 4810-01-185-9542?
NSN 4810-01-185-9542 is a Operator-Valve, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-185-9542?
NSN 4810-01-185-9542 has 2 manufacturer part numbers on file: 3G4921-C,D (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), L-120-10 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
What NSN replaces 4810-01-185-9542?
5 possible matches (shared part number, not a government interchangeability claim): 4810-01-476-5085, 4810-01-476-5088, 4810-01-476-5106. Verify interchangeability with system specifications before substitution.
What are the specifications of 3G4921-C,D?
Key specifications for 3G4921-C,D: General Characteristics Item Description: ALUMINUM. 1 specification is documented in the U.S. Government catalog.
Is NSN 4810-01-185-9542 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.