PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS77-6-020Bushing,sleeve

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 3120-00-661-3966 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-3966 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-3966. Primary manufacturer part number: NAS77-6-020.
Features
  • Bushing,sleeve — FSC 3120
  • Flange Outside Diameter: 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
  • Corner Shape: CHAMFERED INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Surface Finish: 100.0 MICROINCHES INTERMEDIATE LAYER
  • Material Document and Classification: MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
  • Corner Shape: CHAMFERED INSIDE LEFT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Applications
  • Applications requiring Steel Comp 8630 or Steel Comp 4130 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-661-3966, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-3966
Primary Part NumberNAS77-6-020
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Flange Outside Diameter0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
Corner ShapeCHAMFERED INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Surface Finish100.0 MICROINCHES INTERMEDIATE LAYER
Material Document and ClassificationMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface TreatmentCADMIUM OVERALL
Corner ShapeUNDERCUT LEFT FLANGE BODY CORNER
MaterialSTEEL COMP 8630 OR STEEL COMP 4130 OVERALL
Flange Width0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Specification/standard Data80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Body Inside Diameter0.3750 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
Body Outside Diameter0.5006 INCHES MINIMUM AND 0.5013 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-528-5336MS14104-4 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-006-9514MS14101-10 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-027-4729MS14104-8 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-030-8773MS14104-6 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-041-7129MS14104-3 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-070-009403-823-14 INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
3120-01-090-4889MS14104-9 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-099-7316MS14104-5 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-101-0810MS14104-16 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
3120-01-104-5989MS14104-12 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
NAS77 Society of Automotive Engineers Inc (USA)
AS14104 Society of Automotive Engineers Inc (USA)
NAS77-6-020 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS77 Sae International Dba Sae International (USA)
SAE AS14104 Society of Automotive Engineers Inc (USA)
NAS77-6-20 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
3120-00-528-5336INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-4
3120-01-006-9514INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14101-10
3120-01-027-4729INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-8
3120-01-030-8773INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-6
3120-01-041-7129INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-3
3120-01-070-0094INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
03-823-14
3120-01-090-4889INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-9
3120-01-099-7316INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-5
3120-01-101-0810INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-16
3120-01-104-5989INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-12
3120-01-165-1128INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-7
3120-01-269-3274INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
03-823-16

Frequently Asked Questions

What is NSN 3120-00-661-3966?

NSN 3120-00-661-3966 is a Bushing,sleeve, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-3966?

NSN 3120-00-661-3966 has 6 cross-referenced part numbers: NAS77 (Society of Automotive Engineers Inc), AS14104 (Society of Automotive Engineers Inc), NAS77-6-020 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS77 (Sae International Dba Sae International), SAE AS14104 (Society of Automotive Engineers Inc) and 1 more.

What NSN replaces 3120-00-661-3966?

There are 12 known substitutes for 3120-00-661-3966: 3120-00-528-5336, 3120-01-006-9514, 3120-01-027-4729 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS77-6-020?

Key specifications for NAS77-6-020: Flange Outside Diameter: 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN; Corner Shape: CHAMFERED INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Surface Finish: 100.0 MICROINCHES INTERMEDIATE LAYER. 18 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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