PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

143950PC20Collar,shaft

Lockheed Martin Corp · NSN 3040-01-339-3511 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-339-3511 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-339-3511. Primary manufacturer part number: 143950PC20.
Features
  • Collar,shaft — FSC 3040
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Collar,shaft, cataloged under National Stock Number 3040-01-339-3511, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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: Active.

Technical Specifications
ParameterValue
NSN3040-01-339-3511
Primary Part Number143950PC20
Item NameCollar,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-078-35795105-121483 INTERCHANGEABLE
Switch,rotary
Fluke Corp
3110-00-100-0733 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cross-Reference Index
Part NumberManufacturer
143950PC20 Lockheed Martin Corp (USA)
121483 Lockheed Martin Corp (USA)
121450G2PC66 Lockheed Martin Corp (USA)
Related Parts
5930-00-078-3579INTERCHANGEABLE
SWITCH,ROTARY
5105-121483
3110-00-100-0733INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER

Frequently Asked Questions

What is NSN 3040-01-339-3511?

NSN 3040-01-339-3511 is a Collar,shaft, manufactured by Lockheed Martin Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-339-3511?

NSN 3040-01-339-3511 has 3 cross-referenced part numbers: 143950PC20 (Lockheed Martin Corp), 121483 (Lockheed Martin Corp), 121450G2PC66 (Lockheed Martin Corp).

What NSN replaces 3040-01-339-3511?

There are 2 known substitutes for 3040-01-339-3511: 5930-00-078-3579, 3110-00-100-0733. Verify interchangeability with system specifications before substitution.

What are the specifications of 143950PC20?

Key specifications for 143950PC20: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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