PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27279Bearing,sleeve

Napco International Llc Dba Napco International Inc · NSN 3120-00-776-8857 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-776-8857 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-776-8857. Primary manufacturer part number: 27279.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.8795 INCHES MINIMUM AND 0.8810 INCHES MAXIMUM IN
  • Material: COPPER ALLOY INNER LAYER
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OUTER LAYER
  • Material: STEEL COMP 1010 OUTER LAYER
  • Body Inside Diameter: 0.7545 INCHES MINIMUM AND 0.7580 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-776-8857, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-776-8857
Primary Part Number27279
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Body Outside Diameter0.8795 INCHES MINIMUM AND 0.8810 INCHES MAXIMUM IN
MaterialCOPPER ALLOY INNER LAYER
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER LAYER
MaterialSTEEL COMP 1010 OUTER LAYER
Body Inside Diameter0.7545 INCHES MINIMUM AND 0.7580 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-236-4102 INTERCHANGEABLE
Drill,twist
6105-00-325-935665-30 INTERCHANGEABLE
Motor,control
Arc Systems Inc
5930-00-849-08651MR1169AP1 INTERCHANGEABLE
Switch,pressure
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
6150-01-155-6530NETEX ATF 6530 INTERCHANGEABLE
Lead,storage Battery
Netex Industries Dba Northeast Texas Industries Inc.
5950-01-176-018627279 INTERCHANGEABLE
Transformer,power
Torotel, Inc. Div Torotel Products, Inc.
4820-01-218-7949A-4000-130 INTERCHANGEABLE
Valve,plug
Johnson Controls, Inc Div Building Efficiency
4810-01-239-89186530 INTERCHANGEABLE
Valve,angle
Hunt Valve Company, Inc.
2530-01-332-6024 INTERCHANGEABLE
Parts Kit,caliper,disc Brake
5330-01-356-714334095 INTERCHANGEABLE
Gasket
Stone Construction Equipment, Inc.
7520-01-363-01916530 INTERCHANGEABLE
Chart,calendar Planning
Quartet Mfg Co
Cross-Reference Index
Part NumberManufacturer
6530 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
27279 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
5133-00-236-4102INTERCHANGEABLE
DRILL,TWIST
6105-00-325-9356INTERCHANGEABLE
MOTOR,CONTROL
65-30
5930-00-849-0865INTERCHANGEABLE
SWITCH,PRESSURE
1MR1169AP1
6150-01-155-6530INTERCHANGEABLE
LEAD,STORAGE BATTERY
NETEX ATF 6530
5950-01-176-0186INTERCHANGEABLE
TRANSFORMER,POWER
27279
4820-01-218-7949INTERCHANGEABLE
VALVE,PLUG
A-4000-130
4810-01-239-8918INTERCHANGEABLE
VALVE,ANGLE
6530
2530-01-332-6024INTERCHANGEABLE
PARTS KIT,CALIPER,DISC BRAKE
5330-01-356-7143INTERCHANGEABLE
GASKET
34095
7520-01-363-0191INTERCHANGEABLE
CHART,CALENDAR PLANNING
6530
7530-01-383-1051INTERCHANGEABLE
PAPER,TABULATING MACHINE,CONTINU
6530
7110-01-385-0940INTERCHANGEABLE
SAFE

Frequently Asked Questions

What is NSN 3120-00-776-8857?

NSN 3120-00-776-8857 is a Bearing,sleeve, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-776-8857?

NSN 3120-00-776-8857 has 2 cross-referenced part numbers: 6530 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 27279 (Napco International Llc Dba Napco International Inc).

What NSN replaces 3120-00-776-8857?

There are 12 known substitutes for 3120-00-776-8857: 5133-00-236-4102, 6105-00-325-9356, 5930-00-849-0865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27279?

Key specifications for 27279: Body Outside Diameter: 0.8795 INCHES MINIMUM AND 0.8810 INCHES MAXIMUM IN; Material: COPPER ALLOY INNER LAYER; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 8 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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