PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4503Worm Shaft

Winsmith Div Umc Industries Inc · NSN 3040-00-767-7206 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-767-7206 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-767-7206. Primary manufacturer part number: 4503.
Features
  • Worm Shaft — FSC 3040
  • Worm Outside Diameter: 1.156 INCHES NOMINAL IN
  • Worm Thread Lead: 0.438 INCHES NOMINAL IN
  • Straight Unthreaded Length: 0.550 INCHES NOMINAL AND 3.312 INCHES NOMINAL FIRST END FIRST PORTION IN
  • Material: STEEL
  • End Similarity: NOT IDENTICAL
  • Worm Thread Quantity: 6
  • Worm Helix Angle: 4 DEG
Applications
  • Applications requiring Steel construction
General Description

The Worm Shaft, cataloged under National Stock Number 3040-00-767-7206, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Winsmith Div Umc Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN3040-00-767-7206
Primary Part Number4503
Item NameWorm Shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerWinsmith Div Umc Industries Inc
StatusACTIVE
Worm Outside Diameter1.156 INCHES NOMINAL IN
Worm Thread Lead0.438 INCHES NOMINAL IN
Straight Unthreaded Length0.550 INCHES NOMINAL AND 3.312 INCHES NOMINAL FIRST END FIRST PORTION IN
MaterialSTEEL
End SimilarityNOT IDENTICAL
Worm Thread Quantity6
Worm Helix Angle4 DEG
Unthreaded Section Keyway Depth0.094 INCHES NOMINAL FIRST END FIRST PORTION IN
Worm Body Tapered Bearing Surface EndNOT PROVIDED
Worm Body Length1.875 INCHES NOMINAL IN
Shaft LocationBOTH ENDS OF WORM
Unthreaded Section Keyway Width0.1880 INCHES NOMINAL FIRST END FIRST PORTION IN
Straight Unthreaded Section Diameter0.625 INCHES NOMINAL FIRST END FIRST PORTION IN
Worm Thread DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-081-7768 INTERCHANGEABLE
Circuit Card Assembly
5945-00-258-9852SMC144572 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5110-00-268-129250-10957 INTERCHANGEABLE
Reamer,hand
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
2030-00-399-49024503 INTERCHANGEABLE
Chain Section
Jeffrey Chain L.p.
5360-00-446-87984503 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
6240-00-539-8412 INTERCHANGEABLE
Lamp,incandescent
5950-00-766-85462520885PC1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-828-90075682-41 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
7330-00-969-03804503 INTERCHANGEABLE
Plate,meat Grinder
Middleby Marshall Inc Conveyor Ovens and Mixers Div
4930-01-005-378713217E3059 INTERCHANGEABLE
Harness Assembly,vehicular
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
4503 Winsmith Div Umc Industries Inc (USA)
A22-28E Winsmith Div Umc Industries Inc (USA)
Related Parts
5998-00-081-7768INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5945-00-258-9852INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SMC144572
5110-00-268-1292INTERCHANGEABLE
REAMER,HAND
50-10957
2030-00-399-4902INTERCHANGEABLE
CHAIN SECTION
4503
5360-00-446-8798INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4503
6240-00-539-8412INTERCHANGEABLE
LAMP,INCANDESCENT
5950-00-766-8546INTERCHANGEABLE
TRANSFORMER,POWER
2520885PC1
5999-00-828-9007INTERCHANGEABLE
CLIP,ELECTRICAL
5682-41
7330-00-969-0380INTERCHANGEABLE
PLATE,MEAT GRINDER
4503
4930-01-005-3787INTERCHANGEABLE
HARNESS ASSEMBLY,VEHICULAR
13217E3059
5985-01-096-1610INTERCHANGEABLE
ATTENUATOR,FIXED
4503
5950-01-172-2292INTERCHANGEABLE
TRANSFORMER,POWER
4503

Frequently Asked Questions

What is NSN 3040-00-767-7206?

NSN 3040-00-767-7206 is a Worm Shaft, manufactured by Winsmith Div Umc Industries Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-767-7206?

NSN 3040-00-767-7206 has 2 cross-referenced part numbers: 4503 (Winsmith Div Umc Industries Inc), A22-28E (Winsmith Div Umc Industries Inc).

What NSN replaces 3040-00-767-7206?

There are 12 known substitutes for 3040-00-767-7206: 5998-00-081-7768, 5945-00-258-9852, 5110-00-268-1292 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4503?

Key specifications for 4503: Overall Length: 6.781 INCHES NOMINAL IN; Worm Outside Diameter: 1.156 INCHES NOMINAL IN; Worm Thread Lead: 0.438 INCHES NOMINAL IN; Straight Unthreaded Length: 0.550 INCHES NOMINAL AND 3.312 INCHES NOMINAL FIRST END FIRST PORTION IN. 15 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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