PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8446Bearing,washer,thrust

Mid-America Aerotech, Llc · NSN 3120-00-394-2350 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-394-2350 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-394-2350. Primary manufacturer part number: 8446.
Features
  • Bearing,washer,thrust — FSC 3120
  • Diameter: 0.2670 INCHES MINIMUM AND 0.2710 INCHES MAXIMUM IN
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL COMP 416 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Keyway Quantity: 4
  • Style Designator: ROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-394-2350, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 13 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-394-2350
Primary Part Number8446
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Diameter0.2670 INCHES MINIMUM AND 0.2710 INCHES MAXIMUM IN
Hardness Rating25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 416 OVERALL
Surface TreatmentPASSIVATE OVERALL
Corner ShapeSQUARE ALL CORNERS
Keyway Quantity4
Style DesignatorROUND
Bearing Surface Hole Diameter0.0630 INCHES NOMINAL FIRST IN
Bearing Surface Hole Quantity4 FIRST
Overall Thickness0.1050 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM IN
Outside Diameter0.6100 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-190-66098446 INTERCHANGEABLE
Bearing,roller,needle
Rbc Bearings Incorporated Div West Trenton Division
6145-00-252-52838446 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5905-00-513-05248446 INTERCHANGEABLE
Resistor,fixed,film
Iet Labs Inc
1680-00-615-13354344EA03 INTERCHANGEABLE
Actuator,mechanical,aircraft
Cef Industries Inc Environ Div
5935-00-921-79251250-0140 INTERCHANGEABLE
Connector Body,receptacle,electr
Keysight Technologies Inc
5950-01-163-4037 INTERCHANGEABLE
Reactor
5340-01-480-8548 INTERCHANGEABLE
Standoff,threaded,spacing
7210-01-631-21818446 INTERCHANGEABLE
Pad,mattress
Brenner Metal Products Corp Div Brenner Metal Products
Cross-Reference Index
Part NumberManufacturer
8446 E-Systems Inc Montek Div Fluid Controls Opns (USA)
8446 Moog Inc (USA)
8446 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
8446 PRIMARY Mid-America Aerotech, Llc (USA)
Related Parts
3110-00-190-6609INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
8446
6145-00-252-5283INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8446
5905-00-513-0524INTERCHANGEABLE
RESISTOR,FIXED,FILM
8446
1680-00-615-1335INTERCHANGEABLE
ACTUATOR,MECHANICAL,AIRCRAFT
4344EA03
5935-00-921-7925INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
1250-0140
5950-01-163-4037INTERCHANGEABLE
REACTOR
5340-01-480-8548INTERCHANGEABLE
STANDOFF,THREADED,SPACING
7210-01-631-2181INTERCHANGEABLE
PAD,MATTRESS
8446

Frequently Asked Questions

What is NSN 3120-00-394-2350?

NSN 3120-00-394-2350 is a Bearing,washer,thrust, manufactured by Mid-America Aerotech, Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-394-2350?

NSN 3120-00-394-2350 has 4 cross-referenced part numbers: 8446 (E-Systems Inc Montek Div Fluid Controls Opns), 8446 (Moog Inc), 8446 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 8446 (Mid-America Aerotech, Llc).

What NSN replaces 3120-00-394-2350?

There are 8 known substitutes for 3120-00-394-2350: 3110-00-190-6609, 6145-00-252-5283, 5905-00-513-0524 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8446?

Key specifications for 8446: Diameter: 0.2670 INCHES MINIMUM AND 0.2710 INCHES MAXIMUM IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL COMP 416 OVERALL; Surface Treatment: PASSIVATE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com