PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-187806Bearing,sleeve

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3120-00-652-8940 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-652-8940 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-652-8940. Primary manufacturer part number: SM-B-187806.
Features
  • Bearing,sleeve — FSC 3120
  • 6 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-652-8940, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersValcore Manufacturing Llc (CAGE 04YE2); Burke Products Inc (CAGE 27361); Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (CAGE 80063); Freund Precision Inc (CAGE 54261); Kleinschmidt Inc (CAGE 82423)
Technical Specifications
ParameterValue
NSN3120-00-652-8940
Primary Part NumberSM-B-187806
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-009-67202994574-19 INTERCHANGEABLE
Attenuator,fixed
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5977-00-056-2126439A866G08 INTERCHANGEABLE
Brush,electrical Contact
Westinghouse Electric Corp
5998-00-185-9220 INTERCHANGEABLE
Circuit Card Assembly
3455-00-189-91471-1561-0750 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
4730-00-277-9731 INTERCHANGEABLE
Sleeve,clinch,tube Fitting
5110-00-299-84055110-00-299-8405 INTERCHANGEABLE
Knife,craftsman's
General Services Administration Federal Supply Service
4920-00-426-2516 INTERCHANGEABLE
Reel,motor
5306-00-728-831860022 INTERCHANGEABLE
Bolt,internal Wrenching
Prestolite Electric Inc
4730-01-031-6211 INTERCHANGEABLE
Elbow,pipe to Tube
5950-01-040-4136KS 234 INTERCHANGEABLE
Transformer,power
Magnetika Inc
Cross-Reference Index
Part NumberManufacturer
SM-B-187806 Valcore Manufacturing Llc (USA)
629LX Burke Products Inc (USA)
SM-B-187806 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
11640 Freund Precision Inc (USA)
60022 Kleinschmidt Inc (USA)
SM-B-187806 Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging (USA)
Related Parts
5985-00-009-6720INTERCHANGEABLE
ATTENUATOR,FIXED
2994574-19
5977-00-056-2126INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
439A866G08
5998-00-185-9220INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3455-00-189-9147INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0750
4730-00-277-9731INTERCHANGEABLE
SLEEVE,CLINCH,TUBE FITTING
5110-00-299-8405INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
5110-00-299-8405
4920-00-426-2516INTERCHANGEABLE
REEL,MOTOR
5306-00-728-8318INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
60022
4730-01-031-6211INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5950-01-040-4136INTERCHANGEABLE
TRANSFORMER,POWER
KS 234
4820-01-114-7143INTERCHANGEABLE
BELLOWS ASSEMBLY,VALVE
5940-01-186-4579INTERCHANGEABLE
TERMINAL BOARD
600-GP-22

Frequently Asked Questions

What is NSN 3120-00-652-8940?

NSN 3120-00-652-8940 is a Bearing,sleeve, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-652-8940?

NSN 3120-00-652-8940 has 6 cross-referenced part numbers: SM-B-187806 (Valcore Manufacturing Llc), 629LX (Burke Products Inc), SM-B-187806 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 11640 (Freund Precision Inc), 60022 (Kleinschmidt Inc) and 1 more.

What NSN replaces 3120-00-652-8940?

There are 12 known substitutes for 3120-00-652-8940: 5985-00-009-6720, 5977-00-056-2126, 5998-00-185-9220 and 9 more. Verify interchangeability with system specifications before substitution.

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