PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B166ABearing,sleeve

Agco Corp Parts Opn · NSN 3120-00-662-8950 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-8950 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-8950. Primary manufacturer part number: B166A.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Body Inside Diameter: 0.3115 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Iron Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-662-8950, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Agco Corp Parts Opn. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-662-8950
Primary Part NumberB166A
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAgco Corp Parts Opn
StatusCANCELLED
Body Outside Diameter0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
MaterialIRON OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Inside Diameter0.3115 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Flange Outside Diameter0.5635 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN
Flange Width1.8750 INCHES NOMINAL IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-055-23111003704-13 INTERCHANGEABLE
Standoff,threaded,spacing
Armel De Llc Dba Armel Electronics
3895-00-126-0636 INTERCHANGEABLE
Arm
2530-00-155-7226387993C91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5330-00-181-3814G-7703 INTERCHANGEABLE
Seal,camshaft Brg
Cooper Machinery Services Llc
5975-00-265-7775RW100-50 INTERCHANGEABLE
Reducing Washer,knockout
Egs Electrical Group Appleton Div
4730-00-277-544152454 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
6145-00-284-0067 INTERCHANGEABLE
Cable,power,electrical
4920-00-570-4883B166 INTERCHANGEABLE
Test Panel,tape Rec
Lockheed Martin Corp
5940-00-617-7557C678137-1 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
5995-00-707-14193169 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Abm Equipment, Llc
Cross-Reference Index
Part NumberManufacturer
B166A PRIMARY Agco Corp Parts Opn (USA)
217-3703 Dana Corp Engine Products Div (USA)
4500166-6 PRIMARY Agco Corp Parts Opn (USA)
G7703 Dana Corp Engine Products Div (USA)
4500166 Agco Corp Parts Opn (USA)
450166-6 PRIMARY Agco Corp Parts Opn (USA)
B166 Agco Corp Parts Opn (USA)
3703 Allied Motor Parts Co (USA)
G497 Mcquay-Norris Inc Oem Div an Skf Industries Co
Related Parts
5340-00-055-2311INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1003704-13
3895-00-126-0636INTERCHANGEABLE
ARM
2530-00-155-7226INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
387993C91
5330-00-181-3814INTERCHANGEABLE
SEAL,CAMSHAFT BRG
G-7703
5975-00-265-7775INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
RW100-50
4730-00-277-5441INTERCHANGEABLE
TRAP,STEAM
52454
6145-00-284-0067INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
4920-00-570-4883INTERCHANGEABLE
TEST PANEL,TAPE REC
B166
5940-00-617-7557INTERCHANGEABLE
TERMINAL,LUG
C678137-1
5995-00-707-1419INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3169
4730-00-757-4492INTERCHANGEABLE
COUPLING,DRAINAGE PIPE
433857
3110-00-886-6220INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-166L085

Frequently Asked Questions

What is NSN 3120-00-662-8950?

NSN 3120-00-662-8950 is a Bearing,sleeve, manufactured by Agco Corp Parts Opn, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-662-8950?

NSN 3120-00-662-8950 has 9 cross-referenced part numbers: B166A (Agco Corp Parts Opn), 217-3703 (Dana Corp Engine Products Div), 4500166-6 (Agco Corp Parts Opn), G7703 (Dana Corp Engine Products Div), 4500166 (Agco Corp Parts Opn) and 4 more.

What NSN replaces 3120-00-662-8950?

There are 12 known substitutes for 3120-00-662-8950: 5340-00-055-2311, 3895-00-126-0636, 2530-00-155-7226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B166A?

Key specifications for B166A: Body Outside Diameter: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN; Overall Length: 2.5625 INCHES NOMINAL IN; Material: IRON OVERALL; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-662-8950 still in active supply?

NSN 3120-00-662-8950 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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