PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20750Bearing,shaft

Eaton Aerospace, Llc Dba Jackson South · NSN 3120-00-564-3400 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-564-3400 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-564-3400. Primary manufacturer part number: 20750.
Features
  • Bearing,shaft — FSC 3120
  • 25 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,shaft, cataloged under National Stock Number 3120-00-564-3400, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 25 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,shaft
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersAmz Alabama Inc. (CAGE 076M6); Fmc Corp (CAGE 22888); Naval Ship Systems Command (CAGE 80064); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983); Bae Systems Land & Armaments L.p. (CAGE 80212)
Technical Specifications
ParameterValue
NSN3120-00-564-3400
Primary Part Number20750
Item NameBearing,shaft
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-509-0295 INTERCHANGEABLE
Gear,worm Wheel
5305-00-787-8333 INTERCHANGEABLE
Screw
Cross-Reference Index
Part NumberManufacturer
3435A4PC80 Amz Alabama Inc. (USA)
3435A4PC80 Fmc Corp (USA)
533548PC80 Naval Ship Systems Command (USA)
389914PC80 Naval Ship Systems Command (USA)
E38933-4PC80 Eaton Aerospace, Llc Dba Jackson South (USA)
3435A3PC80 Bae Systems Land & Armaments L.p. (USA)
20750 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
E38933-9PC20750 Eaton Aerospace, Llc Dba Jackson South (USA)
387511PC80 Naval Ship Systems Command (USA)
E38933-5PC80 Eaton Aerospace, Llc Dba Jackson South (USA)
3435A3PC80 Amz Alabama Inc. (USA)
533540AW1PC80 Naval Ship Systems Command (USA)
3435A12PC80 Bae Systems Land & Armaments L.p. (USA)
39461-2PC80 Eaton Aerospace, Llc Dba Jackson South (USA)
39461-1PC80 Eaton Aerospace, Llc Dba Jackson South (USA)
39461-9PC80 Eaton Aerospace, Llc Dba Jackson South (USA)
3435A3PC80 Fmc Corp (USA)
3435A4PC80 Bae Systems Land & Armaments L.p. (USA)
3435A12PC80 Fmc Corp (USA)
3435A12PC80 Amz Alabama Inc. (USA)
Related Parts
3020-00-509-0295INTERCHANGEABLE
GEAR,WORM WHEEL
5305-00-787-8333INTERCHANGEABLE
SCREW

Frequently Asked Questions

What is NSN 3120-00-564-3400?

NSN 3120-00-564-3400 is a Bearing,shaft, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-564-3400?

NSN 3120-00-564-3400 has 25 cross-referenced part numbers: 3435A4PC80 (Amz Alabama Inc.), 3435A4PC80 (Fmc Corp), 533548PC80 (Naval Ship Systems Command), 389914PC80 (Naval Ship Systems Command), E38933-4PC80 (Eaton Aerospace, Llc Dba Jackson South) and 20 more.

What NSN replaces 3120-00-564-3400?

There are 2 known substitutes for 3120-00-564-3400: 3020-00-509-0295, 5305-00-787-8333. Verify interchangeability with system specifications before substitution.

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