PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35771-26Bearing,sleeve

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 3120-00-984-5183 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-984-5183 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-984-5183. Primary manufacturer part number: MS35771-26.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 932 OVERALL
  • Body Outside Diameter: 0.5645 INCHES MINIMUM AND 0.5655 INCHES MAXIMUM IN
  • Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Material Document and Classification: QQ-B-1005 COMP 12,COND A/A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-984-5183, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-984-5183
Primary Part NumberMS35771-26
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 932 OVERALL
Body Outside Diameter0.5645 INCHES MINIMUM AND 0.5655 INCHES MAXIMUM IN
Surface Finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Material Document and ClassificationQQ-B-1005 COMP 12,COND A/A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3120-00-808-5627 INTERCHANGEABLE
Bearing,sleeve
3120-00-882-9640CB1013-08 INTERCHANGEABLE
Bearing,sleeve
Bunting Bearings Corp
3120-00-902-2892 INTERCHANGEABLE
Bearing,sleeve
3120-00-925-9828NAS73-10-102 INTERCHANGEABLE
Bushing,sleeve
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3120-00-959-0538 INTERCHANGEABLE
Bearing,sleeve
3120-00-983-0790CB0811-10 INTERCHANGEABLE
Bearing,sleeve
Bunting Bearings Corp
3120-00-989-3201 INTERCHANGEABLE
Bushing,sleeve
3120-01-630-8364 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
MS35771-26 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
3120009845183 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS35771 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3120-00-808-5627INTERCHANGEABLE
BEARING,SLEEVE
3120-00-882-9640INTERCHANGEABLE
BEARING,SLEEVE
CB1013-08
3120-00-902-2892INTERCHANGEABLE
BEARING,SLEEVE
3120-00-925-9828INTERCHANGEABLE
BUSHING,SLEEVE
NAS73-10-102
3120-00-959-0538INTERCHANGEABLE
BEARING,SLEEVE
3120-00-983-0790INTERCHANGEABLE
BEARING,SLEEVE
CB0811-10
3120-00-989-3201INTERCHANGEABLE
BUSHING,SLEEVE
3120-01-630-8364INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 3120-00-984-5183?

NSN 3120-00-984-5183 is a Bearing,sleeve, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-984-5183?

NSN 3120-00-984-5183 has 3 cross-referenced part numbers: MS35771-26 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 3120009845183 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), MS35771 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-984-5183?

There are 8 known substitutes for 3120-00-984-5183: 3120-00-808-5627, 3120-00-882-9640, 3120-00-902-2892 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35771-26?

Key specifications for MS35771-26: Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Overall Length: 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN; Body Inside Diameter: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. 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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