PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8393931Bearing,ball,annular

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3110-00-227-3620 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-3620 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-3620. Primary manufacturer part number: 8393931.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.6250 INCHES NOMINAL IN
  • Lubrication Material: GREASE
  • Material: STEEL RETAINER
  • Material: STEEL INNER RING
  • Internal Fit-Up Designation: STANDARD
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-227-3620, is classified within Federal Supply Class 3110 (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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-227-3620
Primary Part Number8393931
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Bore Diameter0.6250 INCHES NOMINAL IN
Lubrication MaterialGREASE
MaterialSTEEL RETAINER
MaterialSTEEL INNER RING
Internal Fit-Up DesignationSTANDARD
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Seal Quantity2
Surface FinishGROUND
Bearing Seal TypeCONTACT
Load DirectionRADIAL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter1.3750 INCHES NOMINAL IN
MaterialSTEEL OUTER RING
MaterialRUBBER SYNTHETIC SEAL
MaterialSTEEL BALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5960-00-842-8291162000-051 INTERCHANGEABLE
Electron Tubes,matched
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
5960-01-015-0381 INTERCHANGEABLE
Electron Tube
6110-01-093-4069SK-1971 INTERCHANGEABLE
Contactor,magnetic
Hoyt Corporation
5315-01-127-5330520870 INTERCHANGEABLE
Pin,clevis
Hadco Engineering Inc
Cross-Reference Index
Part NumberManufacturer
3110002273620 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
520870 Renk America Llc Div Renk America (USA)
S7PPSF160 Timken Co Div the Timken Company (USA)
S7SZZMILG3278 Skf Usa Inc. (USA)
3110002273620 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
WA-134-97 Breeze-Eastern Llc (USA)
8436873-7 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
450-0042-000 Hbc Solutions, Inc. Dba Harris Broadcast (USA)
S7NPPFS160 Timken Co Div the Timken Company (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Z99R10XR1CJ General Motors Corp Delco Moraine Ndh Div (USA)
SVRR102RS/LHT64C Skf Usa Inc. (USA)
8393931 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
504629 Aimtron Systems, Llc (USA)
RI-2258QQ4RA1P17LG68 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
R10ZZMILG3278 Skf Usa Inc. (USA)
504629 Cardion Inc (USA)
R10ZZ0105A023A75000000 Skf Usa Inc. (USA)
6550A The Entwistle Company Llc (USA)
520870 Satair A/s (DNK)
Related Parts
5960-00-842-8291INTERCHANGEABLE
ELECTRON TUBES,MATCHED
162000-051
5960-01-015-0381INTERCHANGEABLE
ELECTRON TUBE
6110-01-093-4069INTERCHANGEABLE
CONTACTOR,MAGNETIC
SK-1971
5315-01-127-5330INTERCHANGEABLE
PIN,CLEVIS
520870

Frequently Asked Questions

What is NSN 3110-00-227-3620?

NSN 3110-00-227-3620 is a Bearing,ball,annular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-227-3620?

NSN 3110-00-227-3620 has 20 cross-referenced part numbers: 3110002273620 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 520870 (Renk America Llc Div Renk America), S7PPSF160 (Timken Co Div the Timken Company), S7SZZMILG3278 (Skf Usa Inc.), 3110002273620 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee) and 15 more.

What NSN replaces 3110-00-227-3620?

There are 4 known substitutes for 3110-00-227-3620: 5960-00-842-8291, 5960-01-015-0381, 6110-01-093-4069 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8393931?

Key specifications for 8393931: Bore Diameter: 0.6250 INCHES NOMINAL IN; Lubrication Material: GREASE; Material: STEEL RETAINER; Material: STEEL INNER RING. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-227-3620 still in active supply?

NSN 3110-00-227-3620 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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