PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21803Hub,body

Elbitamerica, Inc. · NSN 3040-01-419-3632 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-419-3632 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-419-3632. Primary manufacturer part number: 21803.
Features
  • Hub,body — FSC 3040
  • Distance From First End Hub to Shoulder: 0.156 INCHES NOMINAL IN
  • Distance From Second End Hub to Shoulder: 0.070 INCHES NOMINAL IN
  • First End Hub Outside Diameter: 0.156 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • Second End Hub Outside Diameter: 0.157 INCHES NOMINAL IN
  • Style Designator: DOUBLE HUB, SPLIT AND SOLID
  • Shoulder Outside Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Hub,body, cataloged under National Stock Number 3040-01-419-3632, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-419-3632
Primary Part Number21803
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Distance From First End Hub to Shoulder0.156 INCHES NOMINAL IN
Distance From Second End Hub to Shoulder0.070 INCHES NOMINAL IN
First End Hub Outside Diameter0.156 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
Second End Hub Outside Diameter0.157 INCHES NOMINAL IN
Style DesignatorDOUBLE HUB, SPLIT AND SOLID
Shoulder Outside Diameter0.250 INCHES NOMINAL IN
Hub Inside Diameter0.090 INCHES NOMINAL IN
Shoulder Width0.258 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-112-13169000-0019 INTERCHANGEABLE
Plate,retaining,bearing
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5120-00-180-293621803 INTERCHANGEABLE
Clamp,screw,quick Adjusting
Wilton Corp Wilton Tool Div
2990-00-432-133321803 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5961-01-169-6501 INTERCHANGEABLE
Transistor
5998-01-383-740521803 INTERCHANGEABLE
Circuit Card Assembly
Motorola/codex Corp Sub of Motorola Inc
7510-01-389-3521 INTERCHANGEABLE
Tape,identification
5331-01-685-912221803 INTERCHANGEABLE
O-Ring
Inter-Coastal Electronics, Llc
4810-01-699-456921803-1003-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-699-457821803-1002-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21803 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
3110-00-112-1316INTERCHANGEABLE
PLATE,RETAINING,BEARING
9000-0019
5120-00-180-2936INTERCHANGEABLE
CLAMP,SCREW,QUICK ADJUSTING
21803
2990-00-432-1333INTERCHANGEABLE
MUFFLER,EXHAUST
21803
5961-01-169-6501INTERCHANGEABLE
TRANSISTOR
5998-01-383-7405INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21803
7510-01-389-3521INTERCHANGEABLE
TAPE,IDENTIFICATION
5331-01-685-9122INTERCHANGEABLE
O-RING
21803
4810-01-699-4569INTERCHANGEABLE
CAP,VALVE
21803-1003-1
4810-01-699-4578INTERCHANGEABLE
CAP,VALVE
21803-1002-1

Frequently Asked Questions

What is NSN 3040-01-419-3632?

NSN 3040-01-419-3632 is a Hub,body, manufactured by Elbitamerica, Inc., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-419-3632?

NSN 3040-01-419-3632 has 1 cross-referenced part number: 21803 (Elbitamerica, Inc.).

What NSN replaces 3040-01-419-3632?

There are 9 known substitutes for 3040-01-419-3632: 3110-00-112-1316, 5120-00-180-2936, 2990-00-432-1333 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21803?

Key specifications for 21803: Distance From First End Hub to Shoulder: 0.156 INCHES NOMINAL IN; Distance From Second End Hub to Shoulder: 0.070 INCHES NOMINAL IN; First End Hub Outside Diameter: 0.156 INCHES NOMINAL IN; Surface Treatment: PASSIVATE. 12 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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