PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

518-5794756 ITEM 43Collar,shaft

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 3040-01-486-3886 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-486-3886 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-486-3886. Primary manufacturer part number: 518-5794756 ITEM 43.
Features
  • Collar,shaft — FSC 3040
  • Securing Hole Type and Location: THREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE
  • Surface Finish: 63 MICROINCHES OUTSIDE PERIPHERY
  • Material: NICKEL ALLOY
  • Countersink Major Diameter and Location: 0.2812 INCHES NOMINAL 1ST HOLE IN
  • Countersunk Hole Angle in Deg and Location: 90.0 1ST HOLE
  • Nominal Thread Size: 0.250 INCHES THREAD IN
  • Style Designator: PLAIN ROUND
Applications
  • Applications requiring Nickel Alloy construction
General Description

The Collar,shaft, cataloged under National Stock Number 3040-01-486-3886, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references 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
NSN3040-01-486-3886
Primary Part Number518-5794756 ITEM 43
Item NameCollar,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
Securing Hole Type and LocationTHREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE
Surface Finish63 MICROINCHES OUTSIDE PERIPHERY
MaterialNICKEL ALLOY
Countersink Major Diameter and Location0.2812 INCHES NOMINAL 1ST HOLE IN
Countersunk Hole Angle in Deg and Location90.0 1ST HOLE
Nominal Thread Size0.250 INCHES THREAD IN
Style DesignatorPLAIN ROUND
Hole Diameter and Location0.2500 INCHES NOMINAL 2ND HOLE AND 0.2500 INCHES NOMINAL 3RD HOLE IN
Screw Thread Series Designator and Location1ST HOLE UNIFIED NATIONAL COARSE (UNC)
Angle Between Centerlines of Securing Holes in Deg90.0 AND 180.0
Thickness2.245 INCHES MINIMUM AND 2.246 INCHES MAXIMUM IN
Outside Diameter2.000 INCHES NOMINAL IN
Securing Hole Quantity3
Bore Diameter0.6260 INCHES MINIMUM AND 0.6290 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-464-250020185PS41M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5365-00-597-5574 INTERCHANGEABLE
Shim
5930-01-045-0213 INTERCHANGEABLE
Switch,toggle
5915-01-071-523392038 INTERCHANGEABLE
Filter,band Pass
Drs Signal Solutions, Inc.
3030-01-246-774917281 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
6520-01-275-739620185 INTERCHANGEABLE
Resin,restorative,dental
Kerr Corporation
6520-01-320-8802920185 INTERCHANGEABLE
Bracket Kit,dental
Kerr Corporation
5340-01-344-886820-185 INTERCHANGEABLE
Plate,mounting
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
3020-01-486-0514G1-65 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
2018-5 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
2018-5 ITEM 43 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
5794756 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
518-5794756 ITEM 43 PRIMARY Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Related Parts
4820-00-464-2500INTERCHANGEABLE
VALVE,SAFETY RELIEF
20185PS41M
5365-00-597-5574INTERCHANGEABLE
SHIM
5930-01-045-0213INTERCHANGEABLE
SWITCH,TOGGLE
5915-01-071-5233INTERCHANGEABLE
FILTER,BAND PASS
92038
3030-01-246-7749INTERCHANGEABLE
BELT,V
17281
6520-01-275-7396INTERCHANGEABLE
RESIN,RESTORATIVE,DENTAL
20185
6520-01-320-8802INTERCHANGEABLE
BRACKET KIT,DENTAL
920185
5340-01-344-8868INTERCHANGEABLE
PLATE,MOUNTING
20-185
3020-01-486-0514INTERCHANGEABLE
GEAR,SPUR
G1-65

Frequently Asked Questions

What is NSN 3040-01-486-3886?

NSN 3040-01-486-3886 is a Collar,shaft, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-486-3886?

NSN 3040-01-486-3886 has 4 cross-referenced part numbers: 2018-5 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2018-5 ITEM 43 (Huntington Ingalls Inc Div Newport News Shipbuilding), 5794756 (Huntington Ingalls Inc Div Newport News Shipbuilding), 518-5794756 ITEM 43 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 3040-01-486-3886?

There are 9 known substitutes for 3040-01-486-3886: 4820-00-464-2500, 5365-00-597-5574, 5930-01-045-0213 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 518-5794756 ITEM 43?

Key specifications for 518-5794756 ITEM 43: Securing Hole Type and Location: THREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE; Part Name Assigned by Controlling Agency: HUB; Special Features: ALL 3 SECURING HOLES ARE 0.750 IN. NOM. FROM ONE END. TWO PARALLEL SIDES FLATTENED TO 1.750 IN. UNTHREADED SECURING HOLES GO THROUGH CENTER OF FLATS. PART OF RETRACTABLE BOW PLANES EMERGENCY FOLLOW-UP AND XMTR DRIVE ASSEMBLY IN; Surface Finish: 63 MICROINCHES OUTSIDE PERIPHERY. 17 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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