PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1028604-6Collar,shaft

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3040-00-402-9800 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-402-9800 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-402-9800. Primary manufacturer part number: 1028604-6.
Features
  • Collar,shaft — FSC 3040
  • Chamfer Angle in Deg: 45.0
  • Outside Diameter: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Angle Between Centerlines of Securing Holes in Deg: 90.0
  • Nominal Thread Size: 0.138 INCHES THREAD IN
  • Style Designator: ROUND W/SINGLE CHAMFER
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 416
Applications
  • Applications requiring Steel Comp 416 construction
General Description

The Collar,shaft, cataloged under National Stock Number 3040-00-402-9800, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-402-9800
Primary Part Number1028604-6
Item NameCollar,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Chamfer Angle in Deg45.0
Outside Diameter0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Angle Between Centerlines of Securing Holes in Deg90.0
Nominal Thread Size0.138 INCHES THREAD IN
Style DesignatorROUND W/SINGLE CHAMFER
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 416
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
Securing Hole Type and LocationTHREADED 1ST HOLE AND UNTHREADED 2ND HOLE
Largest Diameter Length0.190 INCHES NOMINAL IN
Thickness0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
Bore Diameter0.2499 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-00-277-0391 INTERCHANGEABLE
Microcircuit,linear
2840-00-992-5844450036 INTERCHANGEABLE
Cushion,oil Tank
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
1028604-6 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
45-003-6 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1028604-6 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5962-00-277-0391INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2840-00-992-5844INTERCHANGEABLE
CUSHION,OIL TANK
450036

Frequently Asked Questions

What is NSN 3040-00-402-9800?

NSN 3040-00-402-9800 is a Collar,shaft, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-402-9800?

NSN 3040-00-402-9800 has 3 cross-referenced part numbers: 1028604-6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 45-003-6 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1028604-6 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3040-00-402-9800?

There are 2 known substitutes for 3040-00-402-9800: 5962-00-277-0391, 2840-00-992-5844. Verify interchangeability with system specifications before substitution.

What are the specifications of 1028604-6?

Key specifications for 1028604-6: Chamfer Angle in Deg: 45.0; Outside Diameter: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Angle Between Centerlines of Securing Holes in Deg: 90.0; Nominal Thread Size: 0.138 INCHES THREAD IN. 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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