PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3900562Arm Assembly,pivot

General Motors Llc Dba General Motors Llc · NSN 2805-00-401-3938 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-401-3938 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-401-3938. Primary manufacturer part number: 3900562.
Features
  • Arm Assembly,pivot — FSC 2805
  • General Characteristics Item Description: STEEL;5.500 IN. FROM PIN HOLE CENTER TO PIVOT CENTER;0.555 IN. DIA OF PIN HOLE;5.875 IN. FROM PIVOT CENTER TO END OF FRAME MTG ARM;W/TWO MTG HOLES 0.400 IN. DIA;2.575 IN. C TO C OF MTG HOLES;W/LUBRICATION FITTING IN PIVOT JOINT IN
  • 4 verified cross-references
  • Primary manufacturer: General Motors Llc Dba General Motors Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Arm Assembly,pivot, cataloged under National Stock Number 2805-00-401-3938, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-401-3938
Primary Part Number3900562
Item NameArm Assembly,pivot
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL;5.500 IN. FROM PIN HOLE CENTER TO PIVOT CENTER;0.555 IN. DIA OF PIN HOLE;5.875 IN. FROM PIVOT CENTER TO END OF FRAME MTG ARM;W/TWO MTG HOLES 0.400 IN. DIA;2.575 IN. C TO C OF MTG HOLES;W/LUBRICATION FITTING IN PIVOT JOINT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1005-00-731-0781 INTERCHANGEABLE
Barrel,rifle
5340-00-868-2883 INTERCHANGEABLE
Clamp,synchro
5120-01-218-5833B-3 INTERCHANGEABLE
Bender,electrical Conduit,hand
Egs Electrical Group Appleton Div
Cross-Reference Index
Part NumberManufacturer
KA487 Echlin Inc (USA)
3900562 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
3900562 PRIMARY General Motors Llc Dba General Motors Llc (USA)
18703 Trw Inc Trw Intl Trade Government Sales Dept (USA)
Related Parts
1005-00-731-0781INTERCHANGEABLE
BARREL,RIFLE
5340-00-868-2883INTERCHANGEABLE
CLAMP,SYNCHRO
5120-01-218-5833INTERCHANGEABLE
BENDER,ELECTRICAL CONDUIT,HAND
B-3

Frequently Asked Questions

What is NSN 2805-00-401-3938?

NSN 2805-00-401-3938 is a Arm Assembly,pivot, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-401-3938?

NSN 2805-00-401-3938 has 4 cross-referenced part numbers: KA487 (Echlin Inc), 3900562 (General Motors Corp Chevrolet Motor Div Special Products Dept), 3900562 (General Motors Llc Dba General Motors Llc), 18703 (Trw Inc Trw Intl Trade Government Sales Dept).

What NSN replaces 2805-00-401-3938?

There are 3 known substitutes for 2805-00-401-3938: 1005-00-731-0781, 5340-00-868-2883, 5120-01-218-5833. Verify interchangeability with system specifications before substitution.

What are the specifications of 3900562?

Key specifications for 3900562: General Characteristics Item Description: STEEL;5.500 IN. FROM PIN HOLE CENTER TO PIVOT CENTER;0.555 IN. DIA OF PIN HOLE;5.875 IN. FROM PIVOT CENTER TO END OF FRAME MTG ARM;W/TWO MTG HOLES 0.400 IN. DIA;2.575 IN. C TO C OF MTG HOLES;W/LUBRICATION FITTING IN PIVOT JOINT IN. 1 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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