PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-1083Ball,bearing

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-221-0052 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-221-0052 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-221-0052. Primary manufacturer part number: MIL-B-1083.
Features
  • Ball,bearing — FSC 3110
  • Rolling Element Diameter: 1.1875 INCHES NOMINAL IN
  • Style Designator: BALL
  • Material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
  • Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440A or Steel Comp 440b or Steel Comp 440c Overall construction
General Description

The Ball,bearing, cataloged under National Stock Number 3110-00-221-0052, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN3110-00-221-0052
Primary Part NumberMIL-B-1083
Item NameBall,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Rolling Element Diameter1.1875 INCHES NOMINAL IN
Style DesignatorBALL
MaterialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
Material Document and ClassificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-044-2269MS19060-4804 INTERCHANGEABLE
Ball,bearing
Sae International Dba Sae International
3110-00-142-611025816010-13 INTERCHANGEABLE
Ball,bearing
Rtx Corporation Div Pratt & Whitney
3110-00-151-9220 INTERCHANGEABLE
Ball,bearing
3110-00-183-9164MS19060-4818 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
3110-00-188-2728 INTERCHANGEABLE
Ball,bearing
3110-00-277-0668 INTERCHANGEABLE
Ball,bearing
3110-00-413-55045709087 INTERCHANGEABLE
Ball,bearing
Linear Motion Llc Div Ugm
3110-00-413-56835709023 INTERCHANGEABLE
Ball,bearing
Linear Motion Llc Div Ugm
3110-00-413-57155709021 INTERCHANGEABLE
Ball,bearing
Linear Motion Llc Div Ugm
3110-00-516-9908 INTERCHANGEABLE
Ball,bearing
Cross-Reference Index
Part NumberManufacturer
MIL-B-1083 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS19060-4841 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS19060-39 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-044-2269INTERCHANGEABLE
BALL,BEARING
MS19060-4804
3110-00-142-6110INTERCHANGEABLE
BALL,BEARING
25816010-13
3110-00-151-9220INTERCHANGEABLE
BALL,BEARING
3110-00-183-9164INTERCHANGEABLE
BALL,BEARING
MS19060-4818
3110-00-188-2728INTERCHANGEABLE
BALL,BEARING
3110-00-277-0668INTERCHANGEABLE
BALL,BEARING
3110-00-413-5504INTERCHANGEABLE
BALL,BEARING
5709087
3110-00-413-5683INTERCHANGEABLE
BALL,BEARING
5709023
3110-00-413-5715INTERCHANGEABLE
BALL,BEARING
5709021
3110-00-516-9908INTERCHANGEABLE
BALL,BEARING
3110-00-911-9490INTERCHANGEABLE
BALL,BEARING
MS19059-1005
3110-00-939-9024INTERCHANGEABLE
BALL,BEARING
0625GRADE25

Frequently Asked Questions

What is NSN 3110-00-221-0052?

NSN 3110-00-221-0052 is a Ball,bearing, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-221-0052?

NSN 3110-00-221-0052 has 3 cross-referenced part numbers: MIL-B-1083 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS19060-4841 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS19060-39 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3110-00-221-0052?

There are 12 known substitutes for 3110-00-221-0052: 3110-00-044-2269, 3110-00-142-6110, 3110-00-151-9220 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-1083?

Key specifications for MIL-B-1083: Special Features: AFBMA STANDARD TOLERANCE FOR BALLS; GRADE 48; Rolling Element Diameter: 1.1875 INCHES NOMINAL IN; Style Designator: BALL; Material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A. 5 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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