PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1620-6Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-01-435-2619 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-435-2619 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-435-2619. Primary manufacturer part number: B1620-6.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY 841 OVERALL
  • Body Inside Diameter: 1.0030 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 1.2530 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Altra Industrial Motion Corp.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 841 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-435-2619, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-435-2619
Primary Part NumberB1620-6
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
MaterialCOPPER ALLOY 841 OVERALL
Body Inside Diameter1.0030 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter1.2530 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6625-00-553-8242035064-0000 INTERCHANGEABLE
Ammeter
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5330-00-860-98891947671 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
2510-01-102-75215MB717 INTERCHANGEABLE
Pad,spring Top
Oshkosh Defense Llc
5930-01-347-146635-064 INTERCHANGEABLE
Switch,toggle
Gc/waldom Inc
3920-01-551-9744 INTERCHANGEABLE
Wheel,solid,nonmetallic
Cross-Reference Index
Part NumberManufacturer
07-D-3114P6 Borg-Warner Corp (USA)
B1620-6 PRIMARY Altra Industrial Motion Corp. (USA)
35064 Altra Industrial Motion Corp. (USA)
Related Parts
6625-00-553-8242INTERCHANGEABLE
AMMETER
035064-0000
5330-00-860-9889INTERCHANGEABLE
GASKET
1947671
2510-01-102-7521INTERCHANGEABLE
PAD,SPRING TOP
5MB717
5930-01-347-1466INTERCHANGEABLE
SWITCH,TOGGLE
35-064
3920-01-551-9744INTERCHANGEABLE
WHEEL,SOLID,NONMETALLIC

Frequently Asked Questions

What is NSN 3120-01-435-2619?

NSN 3120-01-435-2619 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-435-2619?

NSN 3120-01-435-2619 has 3 cross-referenced part numbers: 07-D-3114P6 (Borg-Warner Corp), B1620-6 (Altra Industrial Motion Corp.), 35064 (Altra Industrial Motion Corp.).

What NSN replaces 3120-01-435-2619?

There are 5 known substitutes for 3120-01-435-2619: 6625-00-553-8242, 5330-00-860-9889, 2510-01-102-7521 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B1620-6?

Key specifications for B1620-6: Material: COPPER ALLOY 841 OVERALL; Body Inside Diameter: 1.0030 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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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