PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18768Bearing,sleeve

Master Machine Products Corp · NSN 3120-00-661-8785 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-8785 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-8785. Primary manufacturer part number: 18768.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Flange Width: 0.0444 INCHES MINIMUM AND 0.0494 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-8785, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Master Machine Products Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-8785
Primary Part Number18768
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMaster Machine Products Corp
StatusCANCELLED
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Width0.0444 INCHES MINIMUM AND 0.0494 INCHES MAXIMUM IN
Flange Outside Diameter0.4818 INCHES MINIMUM AND 0.4868 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Body Outside Diameter0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
Body Inside Diameter0.2505 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6680-00-140-7544 INTERCHANGEABLE
Meter,flow Rate Indicating
5905-00-542-9279 INTERCHANGEABLE
Resistor,fixed,film
5120-01-430-5320F361 INTERCHANGEABLE
Pull-Up Stud,hand Riveter
Fastening Systems International
4130-01-487-081618768 INTERCHANGEABLE
Vacu-Discs,zirc
Dcm Clean Air Products, Inc.
4810-01-587-681261301609451 INTERCHANGEABLE
Repair Kit,solenoid Valve
Getinge Usa Inc
Cross-Reference Index
Part NumberManufacturer
309-0112-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
F361MILL6085 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
F361 Chrysler Corp Amplex Div (USA)
F361MILL6085A Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
F361 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
18768 PRIMARY Master Machine Products Corp (USA)
F361MILL6085A Chrysler Corp Amplex Div (USA)
Related Parts
6680-00-140-7544INTERCHANGEABLE
METER,FLOW RATE INDICATING
5905-00-542-9279INTERCHANGEABLE
RESISTOR,FIXED,FILM
5120-01-430-5320INTERCHANGEABLE
PULL-UP STUD,HAND RIVETER
F361
4130-01-487-0816INTERCHANGEABLE
VACU-DISCS,ZIRC
18768
4810-01-587-6812INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
61301609451

Frequently Asked Questions

What is NSN 3120-00-661-8785?

NSN 3120-00-661-8785 is a Bearing,sleeve, manufactured by Master Machine Products Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-8785?

NSN 3120-00-661-8785 has 7 cross-referenced part numbers: 309-0112-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), F361MILL6085 (Chrysler Realty Company Llc Dba Daimler Chrysler), F361 (Chrysler Corp Amplex Div), F361MILL6085A (Chrysler Realty Company Llc Dba Daimler Chrysler), F361 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 2 more.

What NSN replaces 3120-00-661-8785?

There are 5 known substitutes for 3120-00-661-8785: 6680-00-140-7544, 5905-00-542-9279, 5120-01-430-5320 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18768?

Key specifications for 18768: Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-8785 still in active supply?

NSN 3120-00-661-8785 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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