PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-5184173 PC 12Shaft,shouldered

Naval Sea Systems Command · NSN 3040-01-345-5698 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-345-5698 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-345-5698. Primary manufacturer part number: 803-5184173 PC 12.
Features
  • Shaft,shouldered — FSC 3040
  • First End External Thread Length: 0.6875 INCHES NOMINAL IN
  • First End Style: EXTERNAL THREADED
  • Material: STEEL COMP 316
  • First End Diameter: 0.6250 INCHES NOMINAL IN
  • Largest Step Diameter: 1.250 INCHES NOMINAL IN
  • End Similarity: IDENTICAL
  • Material Document and Classification: ASTM A-276,TYPE 316,COND A ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 316 construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-345-5698, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-345-5698
Primary Part Number803-5184173 PC 12
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
First End External Thread Length0.6875 INCHES NOMINAL IN
First End StyleEXTERNAL THREADED
MaterialSTEEL COMP 316
First End Diameter0.6250 INCHES NOMINAL IN
Largest Step Diameter1.250 INCHES NOMINAL IN
End SimilarityIDENTICAL
Material Document and ClassificationASTM A-276,TYPE 316,COND A ASSN STD SINGLE MATERIAL RESPONSE
Step Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3120-01-346-3859GBSF12-001 INTERCHANGEABLE
Bearing,sleeve
Galaxy Die and Engineering, Inc.
2040-01-363-83915184173 ASSY 1 INTERCHANGEABLE
Scuttle,marine
Naval Sea Systems Command
2040-01-364-4498803-1623943 PIECE 55 INTERCHANGEABLE
Spider,dog,scuttle
Naval Ship Systems Command
5330-01-371-71836894503 INTERCHANGEABLE
Rubber Strip
Naval Sea Systems Command
5342-01-565-8585944-13S INTERCHANGEABLE
Dog,door-Hatch
Railway Specialties Corp Div Railway Specialties Corporation
5365-01-565-8626944-23S INTERCHANGEABLE
Spacer,plate
Railway Specialties Corp Div Railway Specialties Corporation
5342-01-565-8628944-20S INTERCHANGEABLE
Wedge,dog,door-Hatch
Railway Specialties Corp Div Railway Specialties Corporation
Cross-Reference Index
Part NumberManufacturer
803-1623943 Naval Sea Systems Command (USA)
803-5184173 PC 12 PRIMARY Naval Sea Systems Command (USA)
803-1623943 PC 14 PRIMARY Naval Sea Systems Command (USA)
803-5184173 Naval Sea Systems Command (USA)
803-1623943 PC Naval Ship Systems Command (USA)
Related Parts
3120-01-346-3859INTERCHANGEABLE
BEARING,SLEEVE
GBSF12-001
2040-01-363-8391INTERCHANGEABLE
SCUTTLE,MARINE
5184173 ASSY 1
2040-01-364-4498INTERCHANGEABLE
SPIDER,DOG,SCUTTLE
803-1623943 PIECE 55
5330-01-371-7183INTERCHANGEABLE
RUBBER STRIP
6894503
5342-01-565-8585INTERCHANGEABLE
DOG,DOOR-HATCH
944-13S
5365-01-565-8626INTERCHANGEABLE
SPACER,PLATE
944-23S
5342-01-565-8628INTERCHANGEABLE
WEDGE,DOG,DOOR-HATCH
944-20S

Frequently Asked Questions

What is NSN 3040-01-345-5698?

NSN 3040-01-345-5698 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-345-5698?

NSN 3040-01-345-5698 has 5 cross-referenced part numbers: 803-1623943 (Naval Sea Systems Command), 803-5184173 PC 12 (Naval Sea Systems Command), 803-1623943 PC 14 (Naval Sea Systems Command), 803-5184173 (Naval Sea Systems Command), 803-1623943 PC (Naval Ship Systems Command).

What NSN replaces 3040-01-345-5698?

There are 7 known substitutes for 3040-01-345-5698: 3120-01-346-3859, 2040-01-363-8391, 2040-01-364-4498 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-5184173 PC 12?

Key specifications for 803-5184173 PC 12: First End External Thread Length: 0.6875 INCHES NOMINAL IN; First End Style: EXTERNAL THREADED; Material: STEEL COMP 316; First End Diameter: 0.6250 INCHES NOMINAL IN. 9 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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