PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4338Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-00-809-6291 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-809-6291 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-809-6291. Primary manufacturer part number: 4338.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 1.8052 INCHES NOMINAL IN
  • Overall Outside Diameter: 2.3125 INCHES NOMINAL IN
  • Shield Quantity: 2
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.7
  • Lubrication Material: GREASE
  • Lubrication Material Document and Classification: MIL-G-15793 MIL SPEC SINGLE MATERIAL RESPONSE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-809-6291, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-809-6291
Primary Part Number4338
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusCANCELLED
Bore Diameter1.8052 INCHES NOMINAL IN
Overall Outside Diameter2.3125 INCHES NOMINAL IN
Shield Quantity2
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.7
Lubrication MaterialGREASE
Lubrication Material Document and ClassificationMIL-G-15793 MIL SPEC SINGLE MATERIAL RESPONSE
Retainer Fabrication MethodMACHINED
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
MaterialPLASTIC PHENOLIC RETAINER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5365-00-303-336343-3-8 INTERCHANGEABLE
Spacer,screw and Bo
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-393-3909 INTERCHANGEABLE
Hose Assembly,nonmetallic
3030-00-528-4752 INTERCHANGEABLE
Belt,v
5305-01-068-84694338 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
4730-01-109-06468FTXB INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5310-01-394-44754338 INTERCHANGEABLE
Washer,lock
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
TARSS29-36C35 Mpb Corporation Dba Mpb Corp (USA)
131-0326-004 The Boeing Company Div Legacy Boeing Hb1 (USA)
131-0326-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
TARSS29-36-35 Mpb Corporation Dba Mpb Corp (USA)
4338 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
131-0326-003 The Boeing Company Div Legacy Boeing Hb1 (USA)
Related Parts
5365-00-303-3363INTERCHANGEABLE
SPACER,SCREW AND BO
43-3-8
4720-00-393-3909INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3030-00-528-4752INTERCHANGEABLE
BELT,V
5305-01-068-8469INTERCHANGEABLE
SCREW,SHOULDER
4338
4730-01-109-0646INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
8FTXB
5310-01-394-4475INTERCHANGEABLE
WASHER,LOCK
4338

Frequently Asked Questions

What is NSN 3110-00-809-6291?

NSN 3110-00-809-6291 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-809-6291?

NSN 3110-00-809-6291 has 6 cross-referenced part numbers: TARSS29-36C35 (Mpb Corporation Dba Mpb Corp), 131-0326-004 (The Boeing Company Div Legacy Boeing Hb1), 131-0326-001 (The Boeing Company Div Legacy Boeing Hb1), TARSS29-36-35 (Mpb Corporation Dba Mpb Corp), 4338 (New Hampshire Ball Bearings Inc Div Hitech Division) and 1 more.

What NSN replaces 3110-00-809-6291?

There are 6 known substitutes for 3110-00-809-6291: 5365-00-303-3363, 4720-00-393-3909, 3030-00-528-4752 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4338?

Key specifications for 4338: Overall Width: 1.6300 INCHES NOMINAL IN; Bore Diameter: 1.8052 INCHES NOMINAL IN; Overall Outside Diameter: 2.3125 INCHES NOMINAL IN; Shield Quantity: 2. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-809-6291 still in active supply?

NSN 3110-00-809-6291 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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