PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127-80Bearing,sleeve

Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp · NSN 3120-00-980-4456 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-980-4456 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-980-4456. Primary manufacturer part number: 127-80.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Outside Diameter: 0.3540 INCHES MINIMUM AND 0.3640 INCHES MAXIMUM IN
  • Flange Width: 0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Material: COPPER ALLOY OVERALL
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 3120-00-980-4456, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-980-4456
Primary Part Number127-80
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthfield Precision Instrument Corp Dba Northfield Precision Instrument Corp
StatusACTIVE
Flange Outside Diameter0.3540 INCHES MINIMUM AND 0.3640 INCHES MAXIMUM IN
Flange Width0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Corner ShapeSQUARE OUTSIDE LEFT CORNER
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
MaterialOIL LUBRICATING LUBRICATION
Body Inside Diameter0.1564 INCHES MINIMUM AND 0.1566 INCHES MAXIMUM IN
Body Outside Diameter0.3124 INCHES MINIMUM AND 0.3126 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5342-00-232-103012780 INTERCHANGEABLE
Rod,boom
Time Manufacturing Company Dba Time Manufacturing Company
3120-00-371-613212780 INTERCHANGEABLE
Bearing,washer,thrust
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5962-00-595-895312780 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5950-00-647-728812780 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
1560-00-785-361212780 INTERCHANGEABLE
Bearing Assembly,pu
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5330-01-017-107412780 INTERCHANGEABLE
Seal,air Conditione
Noske-Kaeser Germany Gmbh
5950-01-037-624912780 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
6250-01-448-68751278000 INTERCHANGEABLE
Ballast,lamp
Labconco Corp
5340-01-579-8559 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
127-80 PRIMARY Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5342-00-232-1030INTERCHANGEABLE
ROD,BOOM
12780
3120-00-371-6132INTERCHANGEABLE
BEARING,WASHER,THRUST
12780
5962-00-595-8953INTERCHANGEABLE
MICROCIRCUIT,LINEAR
12780
5950-00-647-7288INTERCHANGEABLE
TRANSFORMER,POWER
12780
1560-00-785-3612INTERCHANGEABLE
BEARING ASSEMBLY,PU
12780
5330-01-017-1074INTERCHANGEABLE
SEAL,AIR CONDITIONE
12780
5950-01-037-6249INTERCHANGEABLE
TRANSFORMER,POWER
12780
6250-01-448-6875INTERCHANGEABLE
BALLAST,LAMP
1278000
5340-01-579-8559INTERCHANGEABLE
BRACKET,MOUNTING

Frequently Asked Questions

What is NSN 3120-00-980-4456?

NSN 3120-00-980-4456 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 3120-00-980-4456?

NSN 3120-00-980-4456 has 2 cross-referenced part numbers: 127-80 (Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-980-4456?

There are 9 known substitutes for 3120-00-980-4456: 5342-00-232-1030, 3120-00-371-6132, 5962-00-595-8953 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 127-80?

Key specifications for 127-80: Flange Outside Diameter: 0.3540 INCHES MINIMUM AND 0.3640 INCHES MAXIMUM IN; Flange Width: 0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 18 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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