PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-435-0125-5Valve,operator

Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · NSN 4810-01-181-1982 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-181-1982 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-181-1982. Primary manufacturer part number: 01-435-0125-5.
Features
  • Valve,operator — FSC 4810
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 4 verified cross-references
  • Primary manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,operator, cataloged under National Stock Number 4810-01-181-1982, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-181-1982
Primary Part Number01-435-0125-5
Item NameValve,operator
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerFlowserve Corp Dba Automax Actuators Div Flowserve Us Company
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-01-142-5193 INTERCHANGEABLE
Valve,operator
5330-01-181-1861 INTERCHANGEABLE
Packing,preformed
5330-01-181-1862 INTERCHANGEABLE
Packing,preformed
3040-01-228-0865 INTERCHANGEABLE
Worm Shaft
5930-01-256-0841 INTERCHANGEABLE
Torque Switch Assy
5305-01-262-6126 INTERCHANGEABLE
Setscrew
5330-01-263-8185 INTERCHANGEABLE
Gasket
5330-01-355-7876 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
01-435-0125-5 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
SMB-000 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
SMB-000 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0125-5 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Related Parts
4820-01-142-5193INTERCHANGEABLE
VALVE,OPERATOR
5330-01-181-1861INTERCHANGEABLE
PACKING,PREFORMED
5330-01-181-1862INTERCHANGEABLE
PACKING,PREFORMED
3040-01-228-0865INTERCHANGEABLE
WORM SHAFT
5930-01-256-0841INTERCHANGEABLE
TORQUE SWITCH ASSY
5305-01-262-6126INTERCHANGEABLE
SETSCREW
5330-01-263-8185INTERCHANGEABLE
GASKET
5330-01-355-7876INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 4810-01-181-1982?

NSN 4810-01-181-1982 is a Valve,operator, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-181-1982?

NSN 4810-01-181-1982 has 4 cross-referenced part numbers: 01-435-0125-5 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), SMB-000 (Timken Gears & Services Inc. Div Philadelphia Gear), SMB-000 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0125-5 (Timken Gears & Services Inc. Div Philadelphia Gear).

What NSN replaces 4810-01-181-1982?

There are 8 known substitutes for 4810-01-181-1982: 4820-01-142-5193, 5330-01-181-1861, 5330-01-181-1862 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01-435-0125-5?

Key specifications for 01-435-0125-5: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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