PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127-100Bearing,sleeve

Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp · NSN 3120-00-964-6237 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-964-6237 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-964-6237. Primary manufacturer part number: 127-100.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Flange Width: 0.0230 INCHES NOMINAL IN
  • Flange Outside Diameter: 0.4170 INCHES MINIMUM AND 0.4270 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Material: OIL LUBRICATING LUBRICATION
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 3120-00-964-6237, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-964-6237
Primary Part Number127-100
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthfield Precision Instrument Corp Dba Northfield Precision Instrument Corp
StatusACTIVE
Corner ShapeSQUARE INSIDE LEFT CORNER
Flange Width0.0230 INCHES NOMINAL IN
Flange Outside Diameter0.4170 INCHES MINIMUM AND 0.4270 INCHES MAXIMUM IN
Body Inside Diameter0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
MaterialOIL LUBRICATING LUBRICATION
Body Outside Diameter0.3749 INCHES MINIMUM AND 0.3751 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2920-00-354-0199 INTERCHANGEABLE
Winding,motor Field
8940-01-044-1953 INTERCHANGEABLE
Dietary Supplement,therapeutic
5961-01-434-6706127100 INTERCHANGEABLE
Semiconductor Device Assembly
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
7736661P1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
309-1495-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
127-100 PRIMARY Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp (USA)
7736661P1 General Electric Company (USA)
Related Parts
2920-00-354-0199INTERCHANGEABLE
WINDING,MOTOR FIELD
8940-01-044-1953INTERCHANGEABLE
DIETARY SUPPLEMENT,THERAPEUTIC
5961-01-434-6706INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
127100

Frequently Asked Questions

What is NSN 3120-00-964-6237?

NSN 3120-00-964-6237 is a Bearing,sleeve, manufactured by Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-964-6237?

NSN 3120-00-964-6237 has 4 cross-referenced part numbers: 7736661P1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 309-1495-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 127-100 (Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp), 7736661P1 (General Electric Company).

What NSN replaces 3120-00-964-6237?

There are 3 known substitutes for 3120-00-964-6237: 2920-00-354-0199, 8940-01-044-1953, 5961-01-434-6706. Verify interchangeability with system specifications before substitution.

What are the specifications of 127-100?

Key specifications for 127-100: Corner Shape: SQUARE INSIDE LEFT CORNER; Flange Width: 0.0230 INCHES NOMINAL IN; Flange Outside Diameter: 0.4170 INCHES MINIMUM AND 0.4270 INCHES MAXIMUM IN; Body Inside Diameter: 0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN. 15 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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