PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W306303-30Ball,bearing

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 3110-00-151-9208 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-151-9208 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-151-9208. Primary manufacturer part number: W306303-30.
Features
  • Ball,bearing — FSC 3110
  • Rolling Element Diameter: 0.2813 INCHES NOMINAL IN
  • Material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
  • Style Designator: BALL
  • Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
  • 10 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
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 3110-00-151-9208, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-151-9208
Primary Part NumberW306303-30
Item NameBall,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusCANCELLED
Rolling Element Diameter0.2813 INCHES NOMINAL IN
MaterialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
Style DesignatorBALL
Material Document and ClassificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-036-153411203 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3110-00-044-2269MS19060-4804 INTERCHANGEABLE
Ball,bearing
Sae International Dba Sae International
5950-00-083-8906 INTERCHANGEABLE
Coil,radio Frequency
3110-00-115-1238 INTERCHANGEABLE
Ball,bearing
3110-00-151-9206MS19060-4810 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
3110-00-151-9207 INTERCHANGEABLE
Ball,bearing
2530-00-190-43921-1203 INTERCHANGEABLE
Spindle and Knuckle
Pdi Ground Support Systems, Inc.
5915-00-284-438211203 INTERCHANGEABLE
Filter,high Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
2815-00-310-829011203 INTERCHANGEABLE
Support,rocker Arm
Napco International Llc Dba Napco International Inc
2510-00-480-7551 INTERCHANGEABLE
Side Rack,vehicle Body
Cross-Reference Index
Part NumberManufacturer
W306303-30 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
11203 Eaton Aerospace, Llc Dba Jackson South (USA)
MS19060-4815 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS134357 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN216CP18 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS19060 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
HPS40-9 Tactair Fluid Controls Inc (USA)
MS19060-23 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
B0-9SS Honeywell Intl Inc Defense Avionics Systems (USA)
HPS40-9 Teledyne Hydra-Power Div of Teledyne Inc (USA)
Related Parts
4820-00-036-1534INTERCHANGEABLE
DISK,VALVE
11203
3110-00-044-2269INTERCHANGEABLE
BALL,BEARING
MS19060-4804
5950-00-083-8906INTERCHANGEABLE
COIL,RADIO FREQUENCY
3110-00-115-1238INTERCHANGEABLE
BALL,BEARING
3110-00-151-9206INTERCHANGEABLE
BALL,BEARING
MS19060-4810
3110-00-151-9207INTERCHANGEABLE
BALL,BEARING
2530-00-190-4392INTERCHANGEABLE
SPINDLE AND KNUCKLE
1-1203
5915-00-284-4382INTERCHANGEABLE
FILTER,HIGH PASS
11203
2815-00-310-8290INTERCHANGEABLE
SUPPORT,ROCKER ARM
11203
2510-00-480-7551INTERCHANGEABLE
SIDE RACK,VEHICLE BODY
5136-00-580-7365INTERCHANGEABLE
TAP,THREAD CUTTING
54469
5305-00-600-3074INTERCHANGEABLE
SCREW

Frequently Asked Questions

What is NSN 3110-00-151-9208?

NSN 3110-00-151-9208 is a Ball,bearing, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-151-9208?

NSN 3110-00-151-9208 has 10 cross-referenced part numbers: W306303-30 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 11203 (Eaton Aerospace, Llc Dba Jackson South), MS19060-4815 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS134357 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AN216CP18 (Aeronautical Standards Group Dept of Navy and Air Force) and 5 more.

What NSN replaces 3110-00-151-9208?

There are 12 known substitutes for 3110-00-151-9208: 4820-00-036-1534, 3110-00-044-2269, 5950-00-083-8906 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W306303-30?

Key specifications for W306303-30: Rolling Element Diameter: 0.2813 INCHES NOMINAL IN; Material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A; Style Designator: BALL; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-151-9208 still in active supply?

NSN 3110-00-151-9208 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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