PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55128Ball,bearing

Avox Systems Inc Dba Avox Systems Inc · NSN 3110-00-051-1333 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-051-1333 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-051-1333. Primary manufacturer part number: 55128.
Features
  • Ball,bearing — FSC 3110
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Rolling Element Diameter: 0.1870 INCHES NOMINAL IN
  • Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: BALL
  • 2 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Ball,bearing, cataloged under National Stock Number 3110-00-051-1333, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 4 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
NSN3110-00-051-1333
Primary Part Number55128
Item NameBall,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Rolling Element Diameter0.1870 INCHES NOMINAL IN
Material Document and ClassificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorBALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-359-17613H3989 INTERCHANGEABLE
Shield,housing Stee
Caterpillar Inc Div Caterpillar Defense
6610-00-526-4803724BK03M INTERCHANGEABLE
Indicator,air Speed
Elbitamerica, Inc.
5330-00-634-8223827 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5940-00-779-225755A TERMINAL BOARD INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
4820-00-862-940955128 INTERCHANGEABLE
Guide,valve Disk
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5342-00-887-2802827 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
3110-00-966-233110606754-1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4220-01-039-18764666859 INTERCHANGEABLE
Tape,divers Mask
Morse Diving, Inc.
3020-01-165-32068-27 INTERCHANGEABLE
Gear,cone
Makino Inc
5335-01-210-4754827 INTERCHANGEABLE
Wire Fabric
Robert H Wager Co Inc
Cross-Reference Index
Part NumberManufacturer
55128 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
827 Micropump Corp (USA)
Related Parts
2530-00-359-1761INTERCHANGEABLE
SHIELD,HOUSING STEE
3H3989
6610-00-526-4803INTERCHANGEABLE
INDICATOR,AIR SPEED
724BK03M
5330-00-634-8223INTERCHANGEABLE
GASKET
827
5940-00-779-2257INTERCHANGEABLE
TERMINAL BOARD
55A TERMINAL BOARD
4820-00-862-9409INTERCHANGEABLE
GUIDE,VALVE DISK
55128
5342-00-887-2802INTERCHANGEABLE
BUMPER
827
3110-00-966-2331INTERCHANGEABLE
BEARING,BALL,ANNULAR
10606754-1
4220-01-039-1876INTERCHANGEABLE
TAPE,DIVERS MASK
4666859
3020-01-165-3206INTERCHANGEABLE
GEAR,CONE
8-27
5335-01-210-4754INTERCHANGEABLE
WIRE FABRIC
827
5930-01-244-8193INTERCHANGEABLE
SWITCH,TOGGLE
55128
6515-01-381-6367INTERCHANGEABLE
MASK,SURGICAL
308

Frequently Asked Questions

What is NSN 3110-00-051-1333?

NSN 3110-00-051-1333 is a Ball,bearing, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-051-1333?

NSN 3110-00-051-1333 has 2 cross-referenced part numbers: 55128 (Avox Systems Inc Dba Avox Systems Inc), 827 (Micropump Corp).

What NSN replaces 3110-00-051-1333?

There are 12 known substitutes for 3110-00-051-1333: 2530-00-359-1761, 6610-00-526-4803, 5330-00-634-8223 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55128?

Key specifications for 55128: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Rolling Element Diameter: 0.1870 INCHES NOMINAL IN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: BALL. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com