PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA-1606-4Bearing,sleeve

Bunting Bearings Corp · NSN 3120-01-416-3993 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-416-3993 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-416-3993. Primary manufacturer part number: AA-1606-4.
Features
  • Bearing,sleeve — FSC 3120
  • Material: STEEL OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.6280 INCHES NOMINAL IN
  • Body Inside Diameter: 1.2530 INCHES NOMINAL IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • 5 verified cross-references
  • Primary manufacturer: Bunting Bearings Corp
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-416-3993, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bunting Bearings Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-416-3993
Primary Part NumberAA-1606-4
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBunting Bearings Corp
StatusACTIVE
MaterialSTEEL OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.6280 INCHES NOMINAL IN
Body Inside Diameter1.2530 INCHES NOMINAL IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2920-00-374-48199N12150 INTERCHANGEABLE
Plate,ignition,cont
New Holland N.v.nc.
5999-00-617-53355M988-7 INTERCHANGEABLE
Shielding Gasket,electronic
The Boeing Company Div Defense
5120-00-618-6899 INTERCHANGEABLE
Bender,electrical Conduit,hand
5133-01-095-4751 INTERCHANGEABLE
Drill,twist
4730-01-171-950235220 INTERCHANGEABLE
Elbow,flange
Stone Construction Equipment, Inc.
4320-01-406-6199SP25A52D9H1-R INTERCHANGEABLE
Pump,rotary
Prince Manufacturing Corporation
1095-01-466-8569141SBK INTERCHANGEABLE
Knife,combat
Benchmade Knife Co., Inc. Dba Benchmade Knife Co Inc
5930-01-537-8562 INTERCHANGEABLE
Switch,toggle
1095-01-609-1271375BK-GOV INTERCHANGEABLE
Knife,combat
Benchmade Knife Co., Inc. Dba Benchmade Knife Co Inc
Cross-Reference Index
Part NumberManufacturer
35220 Altra Industrial Motion Corp. (USA)
B2026-24 Altra Industrial Motion Corp. (USA)
D-WK-783-6 PC 9 Walz & Krenzer Inc Div Mapeco Products (USA)
D-WK-783-6 PC 9 Walz and Krenzer Inc (USA)
AA-1606-4 PRIMARY Bunting Bearings Corp (USA)
Related Parts
2920-00-374-4819INTERCHANGEABLE
PLATE,IGNITION,CONT
9N12150
5999-00-617-5335INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
5M988-7
5120-00-618-6899INTERCHANGEABLE
BENDER,ELECTRICAL CONDUIT,HAND
5133-01-095-4751INTERCHANGEABLE
DRILL,TWIST
4730-01-171-9502INTERCHANGEABLE
ELBOW,FLANGE
35220
4320-01-406-6199INTERCHANGEABLE
PUMP,ROTARY
SP25A52D9H1-R
1095-01-466-8569INTERCHANGEABLE
KNIFE,COMBAT
141SBK
5930-01-537-8562INTERCHANGEABLE
SWITCH,TOGGLE
1095-01-609-1271INTERCHANGEABLE
KNIFE,COMBAT
375BK-GOV

Frequently Asked Questions

What is NSN 3120-01-416-3993?

NSN 3120-01-416-3993 is a Bearing,sleeve, manufactured by Bunting Bearings Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-416-3993?

NSN 3120-01-416-3993 has 5 cross-referenced part numbers: 35220 (Altra Industrial Motion Corp.), B2026-24 (Altra Industrial Motion Corp.), D-WK-783-6 PC 9 (Walz & Krenzer Inc Div Mapeco Products), D-WK-783-6 PC 9 (Walz and Krenzer Inc), AA-1606-4 (Bunting Bearings Corp).

What NSN replaces 3120-01-416-3993?

There are 9 known substitutes for 3120-01-416-3993: 2920-00-374-4819, 5999-00-617-5335, 5120-00-618-6899 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA-1606-4?

Key specifications for AA-1606-4: Material: STEEL OVERALL; Overall Length: 3.0000 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.6280 INCHES NOMINAL IN. 6 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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