PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6977Cup,tapered Roller Bearing

Am General Llc · NSN 3110-00-100-0301 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0301 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0301. Primary manufacturer part number: 6977.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0312 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 3.9370 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • 9 verified cross-references
  • Primary manufacturer: Am General Llc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0301, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Am General Llc. Government technical data includes 5 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: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0301
Primary Part Number6977
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAm General Llc
StatusACTIVE
Backface Corner Radius0.0312 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter3.9370 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2815-00-273-04273306568 INTERCHANGEABLE
Ring,piston
Hatch & Kirk, Inc.
5315-00-276-434610199 INTERCHANGEABLE
Pin,straight,headed
Garwood/feller Inc Garwood Winch Div
5950-00-463-5535 INTERCHANGEABLE
Transformer,power
5950-00-586-6954 INTERCHANGEABLE
Saturable Reactor
6150-00-587-697752414-3 INTERCHANGEABLE
Lead,storage Battery
Stewart & Stevenson Power Products Llc
5960-00-654-3639 INTERCHANGEABLE
Electron Tube
5960-00-682-2701 INTERCHANGEABLE
Electron Tube
5950-00-690-9852 INTERCHANGEABLE
Coil,radio Frequency
2530-00-734-9501 INTERCHANGEABLE
Shaft
5960-00-878-2516 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
383 The Timken Company (FRA)
706617 Army Weapons Command Attn Amswe-Ree-S (USA)
6977 PRIMARY Am General Llc (USA)
383 PRIMARY Nsk Corp Bearing Div (USA)
134521 General Motors Llc Dba General Motors Llc (USA)
K383 Skf France (FRA)
383 PRIMARY The Timken Corporation (USA)
BT383 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
134521 General Motors Corp (USA)
Related Parts
2815-00-273-0427INTERCHANGEABLE
RING,PISTON
3306568
5315-00-276-4346INTERCHANGEABLE
PIN,STRAIGHT,HEADED
10199
5950-00-463-5535INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-586-6954INTERCHANGEABLE
SATURABLE REACTOR
6150-00-587-6977INTERCHANGEABLE
LEAD,STORAGE BATTERY
52414-3
5960-00-654-3639INTERCHANGEABLE
ELECTRON TUBE
5960-00-682-2701INTERCHANGEABLE
ELECTRON TUBE
5950-00-690-9852INTERCHANGEABLE
COIL,RADIO FREQUENCY
2530-00-734-9501INTERCHANGEABLE
SHAFT
5960-00-878-2516INTERCHANGEABLE
ELECTRON TUBE
5306-01-032-2306INTERCHANGEABLE
BOLT,MACHINE
5365-01-074-8258INTERCHANGEABLE
SHIM
6977

Frequently Asked Questions

What is NSN 3110-00-100-0301?

NSN 3110-00-100-0301 is a Cup,tapered Roller Bearing, manufactured by Am General Llc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0301?

NSN 3110-00-100-0301 has 9 cross-referenced part numbers: 383 (The Timken Company), 706617 (Army Weapons Command Attn Amswe-Ree-S), 6977 (Am General Llc), 383 (Nsk Corp Bearing Div), 134521 (General Motors Llc Dba General Motors Llc) and 4 more.

What NSN replaces 3110-00-100-0301?

There are 12 known substitutes for 3110-00-100-0301: 2815-00-273-0427, 5315-00-276-4346, 5950-00-463-5535 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6977?

Key specifications for 6977: Backface Corner Radius: 0.0312 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Outside Diameter: 3.9370 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE. 6 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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