PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7A400054Ring,bearing,outer

Fwd Seagrave Holdings Lp · NSN 3110-00-571-3971 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-571-3971 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-571-3971. Primary manufacturer part number: 7A400054.
Features
  • Ring,bearing,outer — FSC 3110
  • Overall Outside Diameter: 2.7470 INCHES MINIMUM AND 2.7480 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Surface Finish: GROUND
  • Bore Diameter: 1.2500 INCHES MINIMUM AND 1.2700 INCHES MAXIMUM IN
  • Style Designator: OUTER RING, BALL
  • 6 verified cross-references
  • Primary manufacturer: Fwd Seagrave Holdings Lp
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Ring,bearing,outer, cataloged under National Stock Number 3110-00-571-3971, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-571-3971
Primary Part Number7A400054
Item NameRing,bearing,outer
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusCANCELLED
Overall Outside Diameter2.7470 INCHES MINIMUM AND 2.7480 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Surface FinishGROUND
Bore Diameter1.2500 INCHES MINIMUM AND 1.2700 INCHES MAXIMUM IN
Style DesignatorOUTER RING, BALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5340-00-051-691447753-1 INTERCHANGEABLE
Bumper
Raytheon Company Dba Raytheon
5306-00-144-3648 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
400054 Kaitlin Corp (USA)
7A400054 PRIMARY Fwd Seagrave Holdings Lp (USA)
400054 Walter Motor Truck Co (USA)
LL510-7 Pettibone Llc (USA)
141119R1 Navistar International Corporation Dba Navistar (USA)
141119R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
5340-00-051-6914INTERCHANGEABLE
BUMPER
47753-1
5306-00-144-3648INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 3110-00-571-3971?

NSN 3110-00-571-3971 is a Ring,bearing,outer, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-571-3971?

NSN 3110-00-571-3971 has 6 cross-referenced part numbers: 400054 (Kaitlin Corp), 7A400054 (Fwd Seagrave Holdings Lp), 400054 (Walter Motor Truck Co), LL510-7 (Pettibone Llc), 141119R1 (Navistar International Corporation Dba Navistar) and 1 more.

What NSN replaces 3110-00-571-3971?

There are 2 known substitutes for 3110-00-571-3971: 5340-00-051-6914, 5306-00-144-3648. Verify interchangeability with system specifications before substitution.

What are the specifications of 7A400054?

Key specifications for 7A400054: Special Features: ANGULAR CONTACT RACEWAY; Overall Outside Diameter: 2.7470 INCHES MINIMUM AND 2.7480 INCHES MAXIMUM IN; Overall Width: 0.5310 INCHES MINIMUM AND 0.5330 INCHES MAXIMUM IN; Material: STEEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-571-3971 still in active supply?

NSN 3110-00-571-3971 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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