PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8376373Bearing,plain,self-Aligning

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3120-00-391-1357 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-391-1357 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-391-1357. Primary manufacturer part number: 8376373.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Criticality Code Justification: ABXV AND AGGF AND AGGJ
  • Inner Member Width: 1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
  • Outer Member Width: 1.0620 INCHES NOMINAL IN
  • Style Designator: WITHOUT INSERT OR LINER
  • Static Radial Load Rating: 100000 POUNDS LBS
  • Outer Member Outside Diameter: 2.4995 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
  • Material: GREASE LUBRICATION
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Grease Lubrication construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-391-1357, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 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
NSN3120-00-391-1357
Primary Part Number8376373
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Criticality Code JustificationABXV AND AGGF AND AGGJ
Inner Member Width1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
Outer Member Width1.0620 INCHES NOMINAL IN
Style DesignatorWITHOUT INSERT OR LINER
Static Radial Load Rating100000 POUNDS LBS
Outer Member Outside Diameter2.4995 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
MaterialGREASE LUBRICATION
Bore Diameter1.2493 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-484-664012510 INTERCHANGEABLE
Setscrew
Triumph Engine Control Systems Llc
3110-00-554-3265 INTERCHANGEABLE
Bearing,ball,annular
4810-00-601-363412510 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
5305-00-638-851312510 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
2815-00-910-52870910061 INTERCHANGEABLE
Valve,poppet,engine
Perkins Engines Inc
5915-01-049-4170 INTERCHANGEABLE
Filter,band Pass
6515-01-104-8780 INTERCHANGEABLE
Bone Plate
8415-01-262-1367 INTERCHANGEABLE
Gloves,disposable
5895-01-342-8945645A546H07 INTERCHANGEABLE
Mixer,special
Northrop Grumman Systems Corporation Dba Electronic Systems
4820-01-501-6285 INTERCHANGEABLE
Valve,flow Control
Cross-Reference Index
Part NumberManufacturer
8376373 Feinmechanische Werke Mainz Gmbh (DEU)
25704-281310-02-0 Knds Deutschland Gmbh & Co. Kg - Werk Kassel - (DEU)
8376373 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
25704-281310-02-0 Baainbw Bw-Znr (DEU)
3120003911357 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
12510 Optronic Und Nachrichtentechnik on Spectral Gmbh (DEU)
LHA-20P Roller Bearing Company of America, Inc. (USA)
12510 Timken Aerospace, Inc Dba Torrington Product (USA)
8376373 Liebherr-Aerospace Lindenberg Gmbh (DEU)
Related Parts
5305-00-484-6640INTERCHANGEABLE
SETSCREW
12510
3110-00-554-3265INTERCHANGEABLE
BEARING,BALL,ANNULAR
4810-00-601-3634INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
12510
5305-00-638-8513INTERCHANGEABLE
SCREW,SHOULDER
12510
2815-00-910-5287INTERCHANGEABLE
VALVE,POPPET,ENGINE
0910061
5915-01-049-4170INTERCHANGEABLE
FILTER,BAND PASS
6515-01-104-8780INTERCHANGEABLE
BONE PLATE
8415-01-262-1367INTERCHANGEABLE
GLOVES,DISPOSABLE
5895-01-342-8945INTERCHANGEABLE
MIXER,SPECIAL
645A546H07
4820-01-501-6285INTERCHANGEABLE
VALVE,FLOW CONTROL
5355-01-535-9772INTERCHANGEABLE
KNOB
3KP707
6605-01-607-3425INTERCHANGEABLE
M58 AMPLIFIER 500MW
12-510

Frequently Asked Questions

What is NSN 3120-00-391-1357?

NSN 3120-00-391-1357 is a Bearing,plain,self-Aligning, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-391-1357?

NSN 3120-00-391-1357 has 9 cross-referenced part numbers: 8376373 (Feinmechanische Werke Mainz Gmbh), 25704-281310-02-0 (Knds Deutschland Gmbh & Co. Kg - Werk Kassel -), 8376373 (U S Army Tank Automotive Command Amsta-Im-Mm), 25704-281310-02-0 (Baainbw Bw-Znr), 3120003911357 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 4 more.

What NSN replaces 3120-00-391-1357?

There are 12 known substitutes for 3120-00-391-1357: 5305-00-484-6640, 3110-00-554-3265, 4810-00-601-3634 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8376373?

Key specifications for 8376373: Criticality Code Justification: ABXV AND AGGF AND AGGJ; Inner Member Width: 1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; Special Features: METALLIC HARDNESS RATING:60.0 MIN ROCKWELL C AND 64.0 MAX.ROCKWELL C;METALLIC HARDNESS LOC:INNER RACE MEMBER AND OUTER RACE MEMBER;MATERIAL AND LOCATION:STEEL,FED STD 66 AISI/SAE E52100 INNER RACE MEMBER,STEEL OUTER RACE MEMBER,CHROMIUM OUTER RACE MEMBER;LUBRICATION FEATURE AND LOCATION:GROOVE INTERNAL INNER MEMBER AND GROOVE INTERNAL OUTER MEMBER;; Outer Member Width: 1.0620 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-391-1357 still in active supply?

NSN 3120-00-391-1357 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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