PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10051Bearing,sleeve

Waterbury Farrel Div Textron Inc Precision Methods and Machines Opn · NSN 3120-00-855-3814 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-855-3814 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-855-3814. Primary manufacturer part number: 10051.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY OVERALL
  • Body Inside Diameter: 0.5020 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM IN
  • Material: OIL LUBRICATING LUBRICATION
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-855-3814, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Waterbury Farrel Div Textron Inc Precision Methods and Machines Opn. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-855-3814
Primary Part Number10051
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerWaterbury Farrel Div Textron Inc Precision Methods and Machines Opn
StatusACTIVE
Body Outside Diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY OVERALL
Body Inside Diameter0.5020 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-287-6470 INTERCHANGEABLE
Bearing,sleeve
3120-00-287-7480B5947 INTERCHANGEABLE
Bearing,sleeve
Dresser, Llc
3120-00-489-4279HT901-1 INTERCHANGEABLE
Bearing,washer,thrust
Chrysler Corp Amplex Div
3120-00-661-8500 INTERCHANGEABLE
Bearing,sleeve
3120-00-684-1460309-0115-000 INTERCHANGEABLE
Bearing,sleeve
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3120-00-827-7940FB68-3 1-4 INTERCHANGEABLE
Bearing,sleeve
Altra Industrial Motion Corp.
3120-00-892-3953BACB10D63 INTERCHANGEABLE
Bearing,sleeve
The Boeing Company Div Defense
3120-00-912-6382 INTERCHANGEABLE
Bearing,sleeve
3120-01-009-6773 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
10051 Waterbury Farrel Div Textron Inc Precision Methods and Machines Opn (USA)
MIL-B-5687D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS503A0250 Bound Brook Bearing Co (USA)
Related Parts
3120-00-287-6470INTERCHANGEABLE
BEARING,SLEEVE
3120-00-287-7480INTERCHANGEABLE
BEARING,SLEEVE
B5947
3120-00-489-4279INTERCHANGEABLE
BEARING,WASHER,THRUST
HT901-1
3120-00-661-8500INTERCHANGEABLE
BEARING,SLEEVE
3120-00-684-1460INTERCHANGEABLE
BEARING,SLEEVE
309-0115-000
3120-00-827-7940INTERCHANGEABLE
BEARING,SLEEVE
FB68-3 1-4
3120-00-892-3953INTERCHANGEABLE
BEARING,SLEEVE
BACB10D63
3120-00-912-6382INTERCHANGEABLE
BEARING,SLEEVE
3120-01-009-6773INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 3120-00-855-3814?

NSN 3120-00-855-3814 is a Bearing,sleeve, manufactured by Waterbury Farrel Div Textron Inc Precision Methods and Machines Opn, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-855-3814?

NSN 3120-00-855-3814 has 3 cross-referenced part numbers: 10051 (Waterbury Farrel Div Textron Inc Precision Methods and Machines Opn), MIL-B-5687D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS503A0250 (Bound Brook Bearing Co).

What NSN replaces 3120-00-855-3814?

There are 9 known substitutes for 3120-00-855-3814: 3120-00-287-6470, 3120-00-287-7480, 3120-00-489-4279 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10051?

Key specifications for 10051: Body Outside Diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY OVERALL. 8 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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