PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85-138Collar,shaft

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 3040-00-540-1147 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-540-1147 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-540-1147. Primary manufacturer part number: 85-138.
Features
  • Collar,shaft — FSC 3040
  • Securing Hole Quantity: 2
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • Angle Between Centerlines of Securing Holes in Deg: 90.0
  • Surface Treatment: PASSIVATE
  • Style Designator: PLAIN ROUND
  • Nominal Thread Size: 0.112 INCHES ALL HOLES IN
  • Material: STEEL CORROSION RESISTING
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Collar,shaft, cataloged under National Stock Number 3040-00-540-1147, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-540-1147
Primary Part Number85-138
Item NameCollar,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusCANCELLED
Securing Hole Quantity2
Outside Diameter0.500 INCHES NOMINAL IN
Angle Between Centerlines of Securing Holes in Deg90.0
Surface TreatmentPASSIVATE
Style DesignatorPLAIN ROUND
Nominal Thread Size0.112 INCHES ALL HOLES IN
MaterialSTEEL CORROSION RESISTING
Securing Hole Type and LocationTHREADED ALL HOLES
Screw Thread Series Designator and LocationALL HOLES UNIFIED NATIONAL COARSE (UNC)
Thickness0.250 INCHES NOMINAL IN
Bore Diameter0.2490 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3455-00-167-184874-10140 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4410-00-909-7097 INTERCHANGEABLE
Glass,gage
Cross-Reference Index
Part NumberManufacturer
85-138 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
3455-00-167-1848INTERCHANGEABLE
CUTTER,MILLING,END
74-10140
4410-00-909-7097INTERCHANGEABLE
GLASS,GAGE

Frequently Asked Questions

What is NSN 3040-00-540-1147?

NSN 3040-00-540-1147 is a Collar,shaft, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-540-1147?

NSN 3040-00-540-1147 has 1 cross-referenced part number: 85-138 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 3040-00-540-1147?

There are 2 known substitutes for 3040-00-540-1147: 3455-00-167-1848, 4410-00-909-7097. Verify interchangeability with system specifications before substitution.

What are the specifications of 85-138?

Key specifications for 85-138: Securing Hole Quantity: 2; Outside Diameter: 0.500 INCHES NOMINAL IN; Angle Between Centerlines of Securing Holes in Deg: 90.0; Surface Treatment: PASSIVATE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-540-1147 still in active supply?

NSN 3040-00-540-1147 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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