PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80728Bearing,ball,annular

Pakon Inc Dba Impak Division · NSN 3110-00-180-4281 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-180-4281 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-180-4281. Primary manufacturer part number: 80728.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
  • Load Direction: RADIAL
  • Surface Finish: UNGROUND
  • Style Designator: SPLIT OUTER RING WITH BAND AND SOLID INNER RING; NON-SEPARABLE
  • Material: STEEL OVERALL
  • Internal Fit-Up Designation: STANDARD
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-180-4281, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Pakon Inc Dba Impak Division. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-180-4281
Primary Part Number80728
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerPakon Inc Dba Impak Division
StatusCANCELLED
Bore Diameter1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
Load DirectionRADIAL
Surface FinishUNGROUND
Style DesignatorSPLIT OUTER RING WITH BAND AND SOLID INNER RING; NON-SEPARABLE
MaterialSTEEL OVERALL
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Overall Outside Diameter2.3125 INCHES MINIMUM AND 2.3175 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
1630-00-075-814080728 INTERCHANGEABLE
Lap Assembly,power
Hydro-Aire Aerospace Corp
2910-00-231-6710 INTERCHANGEABLE
Carburetor,float
6150-00-478-087265271 INTERCHANGEABLE
Lead Assembly,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5305-00-983-7455 INTERCHANGEABLE
Screw,cap,socket Head
4820-01-076-1474 INTERCHANGEABLE
Valve,globe
4240-01-529-22895-1-4172 INTERCHANGEABLE
Canister,chemical-Biological Mas
Edgewood Chemical Biological Center Ecbc
5305-01-665-707480728 INTERCHANGEABLE
Screw,cap,socket Head
Hutchinson Industries, Inc Div Defense and Industry
Cross-Reference Index
Part NumberManufacturer
80728 PRIMARY Pakon Inc Dba Impak Division (USA)
710241 Army Weapons Command Attn Amswe-Ree-S (USA)
CS1341 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
Related Parts
1630-00-075-8140INTERCHANGEABLE
LAP ASSEMBLY,POWER
80728
2910-00-231-6710INTERCHANGEABLE
CARBURETOR,FLOAT
6150-00-478-0872INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
65271
5305-00-983-7455INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4820-01-076-1474INTERCHANGEABLE
VALVE,GLOBE
4240-01-529-2289INTERCHANGEABLE
CANISTER,CHEMICAL-BIOLOGICAL MAS
5-1-4172
5305-01-665-7074INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
80728

Frequently Asked Questions

What is NSN 3110-00-180-4281?

NSN 3110-00-180-4281 is a Bearing,ball,annular, manufactured by Pakon Inc Dba Impak Division, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-180-4281?

NSN 3110-00-180-4281 has 3 cross-referenced part numbers: 80728 (Pakon Inc Dba Impak Division), 710241 (Army Weapons Command Attn Amswe-Ree-S), CS1341 (Schatz Bearing Corporation Dba Schatz Bearing Corp).

What NSN replaces 3110-00-180-4281?

There are 7 known substitutes for 3110-00-180-4281: 1630-00-075-8140, 2910-00-231-6710, 6150-00-478-0872 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80728?

Key specifications for 80728: Bore Diameter: 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN; Load Direction: RADIAL; Surface Finish: UNGROUND; Style Designator: SPLIT OUTER RING WITH BAND AND SOLID INNER RING; NON-SEPARABLE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-180-4281 still in active supply?

NSN 3110-00-180-4281 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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