PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H3SBearing,plain,rod End

Sargent Aerospace & Defense, Llc Dba Kahr Bearings · NSN 3120-00-554-2002 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-554-2002 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-554-2002. Primary manufacturer part number: H3S.
Features
  • Bearing,plain,rod End — FSC 3120
  • Static Radial Load Rating: 3700 POUNDS LBS
  • Outer Member Width: 0.3230 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM IN
  • Thread Diameter: 0.250 INCHES NOMINAL IN
  • Style Designator: BALL TYPE
  • Lubrication Feature: GROOVE INTERNAL OUTER MEMBER
  • Surface Treatment: CADMIUM ROD END BODY
  • Thread Series Designator: UNF
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-554-2002, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Kahr Bearings. Government technical data includes 19 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
NSN3120-00-554-2002
Primary Part NumberH3S
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Kahr Bearings
StatusACTIVE
Static Radial Load Rating3700 POUNDS LBS
Outer Member Width0.3230 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM IN
Thread Diameter0.250 INCHES NOMINAL IN
Style DesignatorBALL TYPE
Lubrication FeatureGROOVE INTERNAL OUTER MEMBER
Surface TreatmentCADMIUM ROD END BODY
Thread Series DesignatorUNF
Surface TreatmentCHROMIUM INNER MEMBER
Bore Center to Shank End Distance1.3460 INCHES MINIMUM AND 1.4660 INCHES MAXIMUM IN
Shank Width Across Wrench Flats0.3750 INCHES NOMINAL IN
Outer Member Outside Diameter0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch28
Shank Thread Length0.7500 INCHES NOMINAL IN
Shank StyleINTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE
Thread Class3B
Bore Diameter0.1895 INCHES MINIMUM AND 0.1915 INCHES MAXIMUM IN
Inner Member Width0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
Inspection Hole Center to End Distance0.3100 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-064-0601 INTERCHANGEABLE
Holder,electrode,welding
5955-00-168-7402SM-A-618690-915 INTERCHANGEABLE
Crystal Unit,quartz
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7520-00-205-2737H3 INTERCHANGEABLE
Airbrush,artist's
Paasche Airbrush Co
3895-00-234-2545 INTERCHANGEABLE
Rooter,road
5305-00-389-9298H3 INTERCHANGEABLE
Screw
Fmc Corp
3030-00-528-4626 INTERCHANGEABLE
Belt,v
2510-00-618-51236185123 INTERCHANGEABLE
Plate
U S Army Tank Automotive Command Amsta-Im-Mm
3120-00-661-7485H3FN INTERCHANGEABLE
Bearing,plain,rod End
U S Bearings
1730-00-761-8032 INTERCHANGEABLE
Brake Shoe,gearshaf
5940-00-764-9388H3 INTERCHANGEABLE
Terminal Board
Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries
Cross-Reference Index
Part NumberManufacturer
H3 U S Bearings (USA)
H3S PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
Related Parts
3439-00-064-0601INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING
5955-00-168-7402INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
SM-A-618690-915
7520-00-205-2737INTERCHANGEABLE
AIRBRUSH,ARTIST'S
H3
3895-00-234-2545INTERCHANGEABLE
ROOTER,ROAD
5305-00-389-9298INTERCHANGEABLE
SCREW
H3
3030-00-528-4626INTERCHANGEABLE
BELT,V
2510-00-618-5123INTERCHANGEABLE
PLATE
6185123
3120-00-661-7485INTERCHANGEABLE
BEARING,PLAIN,ROD END
H3FN
1730-00-761-8032INTERCHANGEABLE
BRAKE SHOE,GEARSHAF
5940-00-764-9388INTERCHANGEABLE
TERMINAL BOARD
H3
6625-00-819-1188INTERCHANGEABLE
GENERATOR,SWEEP
H3
4730-00-840-2133INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3H21

Frequently Asked Questions

What is NSN 3120-00-554-2002?

NSN 3120-00-554-2002 is a Bearing,plain,rod End, manufactured by Sargent Aerospace & Defense, Llc Dba Kahr Bearings, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-554-2002?

NSN 3120-00-554-2002 has 2 cross-referenced part numbers: H3 (U S Bearings), H3S (Sargent Aerospace & Defense, Llc Dba Kahr Bearings).

What NSN replaces 3120-00-554-2002?

There are 12 known substitutes for 3120-00-554-2002: 3439-00-064-0601, 5955-00-168-7402, 7520-00-205-2737 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H3S?

Key specifications for H3S: Static Radial Load Rating: 3700 POUNDS LBS; Outer Member Width: 0.3230 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM IN; Thread Diameter: 0.250 INCHES NOMINAL IN; Style Designator: BALL TYPE. 21 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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