PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127181Collar,shaft

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 3040-00-071-2212 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-071-2212 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-071-2212. Primary manufacturer part number: 127181.
Features
  • Collar,shaft — FSC 3040
  • Bore Diameter: 0.2503 INCHES MINIMUM AND 0.2513 INCHES MAXIMUM IN
  • Style Designator: PLAIN ROUND
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 302
  • Thickness: 0.156 INCHES NOMINAL IN
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • Nominal Thread Size: 0.112 INCHES SINGLE HOLE IN
Applications
  • Applications requiring Steel Comp 302 construction
General Description

The Collar,shaft, cataloged under National Stock Number 3040-00-071-2212, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-071-2212
Primary Part Number127181
Item NameCollar,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Bore Diameter0.2503 INCHES MINIMUM AND 0.2513 INCHES MAXIMUM IN
Style DesignatorPLAIN ROUND
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 302
Thickness0.156 INCHES NOMINAL IN
Outside Diameter0.500 INCHES NOMINAL IN
Nominal Thread Size0.112 INCHES SINGLE HOLE IN
Securing Hole Quantity2
Angle Between Centerlines of Securing Holes in Deg90.0
Material Document and ClassificationQQ-S-763, CLASS 302, COND A FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-155-664910554 INTERCHANGEABLE
Bearing,ball,annular
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
127181 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
3110-00-155-6649INTERCHANGEABLE
BEARING,BALL,ANNULAR
10554

Frequently Asked Questions

What is NSN 3040-00-071-2212?

NSN 3040-00-071-2212 is a Collar,shaft, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-071-2212?

NSN 3040-00-071-2212 has 1 cross-referenced part number: 127181 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 3040-00-071-2212?

There is 1 known substitute for 3040-00-071-2212: 3110-00-155-6649. Verify interchangeability with system specifications before substitution.

What are the specifications of 127181?

Key specifications for 127181: Bore Diameter: 0.2503 INCHES MINIMUM AND 0.2513 INCHES MAXIMUM IN; Style Designator: PLAIN ROUND; Surface Treatment: PASSIVATE; Material: STEEL COMP 302. 10 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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