PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20003 ITEM NO. 9Override Assembly

Morpac Industries, Inc Div Actuator · NSN 4810-01-475-2138 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-475-2138 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-475-2138. Primary manufacturer part number: 20003 ITEM NO. 9.
Features
  • Override Assembly — FSC 4810
  • 2 verified cross-references
  • Primary manufacturer: Morpac Industries, Inc Div Actuator
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Override Assembly, cataloged under National Stock Number 4810-01-475-2138, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Morpac Industries, Inc Div Actuator. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-475-2138
Primary Part Number20003 ITEM NO. 9
Item NameOverride Assembly
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMorpac Industries, Inc Div Actuator
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3010-00-005-5663 INTERCHANGEABLE
Gearcase-Motor
5305-00-068-0502128720 INTERCHANGEABLE
Screw,cap,hexagon Head
Hyster-Yale Group, Inc.
3110-00-158-8136 INTERCHANGEABLE
Bearing,ball,annular
5977-00-437-7920 INTERCHANGEABLE
Brush,electrical Contact
5895-01-016-3889400101 INTERCHANGEABLE
Modification Kit,communication,e
Lucent Technologies Inc Corporate Headquarters
5998-01-056-2780 INTERCHANGEABLE
Circuit Card Assembly
5340-01-157-6788 INTERCHANGEABLE
Retainer,helical Compression Spr
4820-01-210-5928400101 INTERCHANGEABLE
Diaphragm,valve,flat
Cmb Industries Febco Div
6515-01-216-3365400101 INTERCHANGEABLE
Sphere,eye,surgical
Americal Corp Sponge Div
4820-01-339-975040010-101 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
20003 ITEM NO. 9 PRIMARY Morpac Industries, Inc Div Actuator (USA)
40010-1 PRIMARY Morpac Industries, Inc Div Actuator (USA)
Related Parts
3010-00-005-5663INTERCHANGEABLE
GEARCASE-MOTOR
5305-00-068-0502INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
128720
3110-00-158-8136INTERCHANGEABLE
BEARING,BALL,ANNULAR
5977-00-437-7920INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5895-01-016-3889INTERCHANGEABLE
MODIFICATION KIT,COMMUNICATION,E
400101
5998-01-056-2780INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5340-01-157-6788INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
4820-01-210-5928INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
400101
6515-01-216-3365INTERCHANGEABLE
SPHERE,EYE,SURGICAL
400101
4820-01-339-9750INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40010-101
5998-01-445-3270INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40010-2
5935-01-608-8989INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
400101

Frequently Asked Questions

What is NSN 4810-01-475-2138?

NSN 4810-01-475-2138 is a Override Assembly, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-475-2138?

NSN 4810-01-475-2138 has 2 cross-referenced part numbers: 20003 ITEM NO. 9 (Morpac Industries, Inc Div Actuator), 40010-1 (Morpac Industries, Inc Div Actuator).

What NSN replaces 4810-01-475-2138?

There are 12 known substitutes for 4810-01-475-2138: 3010-00-005-5663, 5305-00-068-0502, 3110-00-158-8136 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20003 ITEM NO. 9?

Key specifications for 20003 ITEM NO. 9: End Item Identification: NHA ACTUATOR ASSY (BRONZE) P/N 20003-1 AND -3; U/O BUTTERFLY VALVE 10001, 10003, 10004, 10005, 10008, 10026, 10027, 20004 AND 20027; Special Features: MANUFACTURERS SUGGESTED NAME IS BASE ASSEMBLY (BRONZE) - 1/4 TURN, 6 INCH; MAJOR COMPONENT PARTS: OUTPUT CARRIER(BRONZE), PLANET GEAR, RING GEAR, SUN GEAR ASSY, HANDWHEEL SHAFT, HANDWHEEL ASSY(2), OUTPUT ASSY IN. 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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