PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B8-11Bearing,sleeve

W. M. Berg, Inc. · NSN 3120-01-304-5841 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-304-5841 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-304-5841. Primary manufacturer part number: B8-11.
Features
  • Bearing,sleeve — FSC 3120
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Body Outside Diameter: 0.3720 INCHES MINIMUM AND 0.3820 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.2510 INCHES MINIMUM AND 0.2560 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: W. M. Berg, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-304-5841, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is W. M. Berg, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-304-5841
Primary Part NumberB8-11
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerW. M. Berg, Inc.
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Body Outside Diameter0.3720 INCHES MINIMUM AND 0.3820 INCHES MAXIMUM IN
Body Inside Diameter0.2510 INCHES MINIMUM AND 0.2560 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3930-00-384-014042S30BBB7 7-8 INTERCHANGEABLE
Cylinder,hydraulic
David Brown Hydraulics Inc Dba Hydreco
5365-00-618-9198B8-11 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
B8-11 W. M. Berg, Inc. (USA)
Related Parts
3930-00-384-0140INTERCHANGEABLE
CYLINDER,HYDRAULIC
42S30BBB7 7-8
5365-00-618-9198INTERCHANGEABLE
SPACER,SLEEVE
B8-11

Frequently Asked Questions

What is NSN 3120-01-304-5841?

NSN 3120-01-304-5841 is a Bearing,sleeve, manufactured by W. M. Berg, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-304-5841?

NSN 3120-01-304-5841 has 1 cross-referenced part number: B8-11 (W. M. Berg, Inc.).

What NSN replaces 3120-01-304-5841?

There are 2 known substitutes for 3120-01-304-5841: 3930-00-384-0140, 5365-00-618-9198. Verify interchangeability with system specifications before substitution.

What are the specifications of B8-11?

Key specifications for B8-11: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Body Outside Diameter: 0.3720 INCHES MINIMUM AND 0.3820 INCHES MAXIMUM IN; Overall Length: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN; Body Inside Diameter: 0.2510 INCHES MINIMUM AND 0.2560 INCHES MAXIMUM IN. 4 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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