PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACB10D63Bearing,sleeve

The Boeing Company Div Defense · NSN 3120-00-892-3953 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-892-3953 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-892-3953. Primary manufacturer part number: BACB10D63.
Features
  • Bearing,sleeve — FSC 3120
  • Material: OIL LUBRICATING LUBRICATION
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material Document and Classification: MIL-L-7870 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Body Inside Diameter: 0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-892-3953, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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
NSN3120-00-892-3953
Primary Part NumberBACB10D63
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Document and ClassificationMIL-L-7870 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Body Inside Diameter0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Body Outside Diameter0.8770 INCHES MINIMUM AND 0.8780 INCHES MAXIMUM IN
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.
3120-00-855-3814 INTERCHANGEABLE
Bearing,sleeve
3120-00-912-6382 INTERCHANGEABLE
Bearing,sleeve
3120-01-009-6773 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
C753B0375 Bound Brook Bearing Co (USA)
A753-878-24 Asco Sintering Co
BACB10D63 PRIMARY The Boeing Company Div Defense (USA)
BACB10D63 The Boeing Company (USA)
A839-12 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
A839-12 Chrysler Corp Amplex Div (USA)
MIL-B-5687D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
PB2428-6 Johnson Bronze 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
3120-00-855-3814INTERCHANGEABLE
BEARING,SLEEVE
3120-00-912-6382INTERCHANGEABLE
BEARING,SLEEVE
3120-01-009-6773INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 3120-00-892-3953?

NSN 3120-00-892-3953 is a Bearing,sleeve, manufactured by The Boeing Company Div Defense, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-892-3953?

NSN 3120-00-892-3953 has 8 cross-referenced part numbers: C753B0375 (Bound Brook Bearing Co), A753-878-24 (Asco Sintering Co), BACB10D63 (The Boeing Company Div Defense), BACB10D63 (The Boeing Company), A839-12 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 3 more.

What NSN replaces 3120-00-892-3953?

There are 9 known substitutes for 3120-00-892-3953: 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 BACB10D63?

Key specifications for BACB10D63: Material: OIL LUBRICATING LUBRICATION; Corner Shape: SQUARE ALL CORNERS; Overall Length: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 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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