PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C347-1Bearing,plain,self-Aligning

New Hampshire Ball Bearings Inc Div Astro Division · NSN 3120-00-916-4240 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-916-4240 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-916-4240. Primary manufacturer part number: C347-1.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Hardness Rating: 54.0 ROCKWELL C NOMINAL INNER MEMBER
  • Outer Member Width: 0.5620 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN
  • Static Radial Load Rating: 35000 POUNDS LBS
  • Bore Diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
  • Inner Member Width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
  • Material: STEEL COMP 630 OUTER RACE MEMBER
  • Style Designator: WITHOUT INSERT OR LINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 630 Outer Race Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-916-4240, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-916-4240
Primary Part NumberC347-1
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Astro Division
StatusACTIVE
Hardness Rating54.0 ROCKWELL C NOMINAL INNER MEMBER
Outer Member Width0.5620 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN
Static Radial Load Rating35000 POUNDS LBS
Bore Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Inner Member Width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
MaterialSTEEL COMP 630 OUTER RACE MEMBER
Style DesignatorWITHOUT INSERT OR LINER
MaterialSTEEL COMP 440C INNER MEMBER
Surface TreatmentCHROMIUM INNER MEMBER
Outer Member Outside Diameter1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2530-00-565-5908700-7 INTERCHANGEABLE
Crosshead,axle,trailer
Pdi Ground Support Systems, Inc.
1270-00-794-914555066 INTERCHANGEABLE
Cable-Assy,antenna
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5950-01-064-1171G146-622 INTERCHANGEABLE
Transformer,power
Kearfott Corporation Div Guidance and Navigation Division
5310-01-502-23355506-6 INTERCHANGEABLE
Washer,flat
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
C347-1 PRIMARY New Hampshire Ball Bearings Inc Div Astro Division (USA)
HSP10-347 U S Bearings (USA)
C347-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
AW10V55 New Hampshire Ball Bearings Inc Div Astro Division (USA)
C347-1 PRIMARY U S Bearings (USA)
55066 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
Related Parts
2530-00-565-5908INTERCHANGEABLE
CROSSHEAD,AXLE,TRAILER
700-7
1270-00-794-9145INTERCHANGEABLE
CABLE-ASSY,ANTENNA
55066
5950-01-064-1171INTERCHANGEABLE
TRANSFORMER,POWER
G146-622
5310-01-502-2335INTERCHANGEABLE
WASHER,FLAT
5506-6

Frequently Asked Questions

What is NSN 3120-00-916-4240?

NSN 3120-00-916-4240 is a Bearing,plain,self-Aligning, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-916-4240?

NSN 3120-00-916-4240 has 6 cross-referenced part numbers: C347-1 (New Hampshire Ball Bearings Inc Div Astro Division), HSP10-347 (U S Bearings), C347-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), AW10V55 (New Hampshire Ball Bearings Inc Div Astro Division), C347-1 (U S Bearings) and 1 more.

What NSN replaces 3120-00-916-4240?

There are 4 known substitutes for 3120-00-916-4240: 2530-00-565-5908, 1270-00-794-9145, 5950-01-064-1171 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C347-1?

Key specifications for C347-1: Hardness Rating: 54.0 ROCKWELL C NOMINAL INNER MEMBER; Outer Member Width: 0.5620 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN; Static Radial Load Rating: 35000 POUNDS LBS; Bore Diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN. 10 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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