PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4M139BC5-31Bushing,sleeve

Reid Products Inc. Dba Reid Products Inc · NSN 3120-01-131-7632 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-131-7632 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-131-7632. Primary manufacturer part number: 4M139BC5-31.
Features
  • Bushing,sleeve — FSC 3120
  • Flange Width: 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.3060 INCHES MINIMUM AND 0.3075 INCHES MAXIMUM IN
  • Flange Outside Diameter: 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.4391 INCHES MINIMUM AND 0.4396 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-C-530,COND HT FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
Applications
  • Applications requiring Copper Alloy 172 or Copper Alloy 173 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-131-7632, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Reid Products Inc. Dba Reid Products Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-131-7632
Primary Part Number4M139BC5-31
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerReid Products Inc. Dba Reid Products Inc
StatusACTIVE
Flange Width0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Body Inside Diameter0.3060 INCHES MINIMUM AND 0.3075 INCHES MAXIMUM IN
Flange Outside Diameter0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN
Body Outside Diameter0.4391 INCHES MINIMUM AND 0.4396 INCHES MAXIMUM IN
Material Document and ClassificationQQ-C-530,COND HT FED SPEC ALL MATERIAL RESPONSES OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
MaterialCOPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Specification/standard Data76301-4-139 MANUFACTURERS STANDARD
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeUNDERCUT LEFT FLANGE BODY CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-01-128-3770ST3M546B7 INTERCHANGEABLE
Plate,retaining,electrical Conne
The Boeing Company Div Defense
1005-01-167-125313386001 INTERCHANGEABLE
Bearing Turret Sprt
Kaydon Corporation Dba Kaydon Corp
Cross-Reference Index
Part NumberManufacturer
4M139BC5-31 PRIMARY Reid Products Inc. Dba Reid Products Inc (USA)
4M139BC5-31 PRIMARY Master Machine Products Corp (USA)
4M139BC5-31 PRIMARY The Boeing Company Div Defense (USA)
10130601 Nimikkeistokeskus Ncb Finland (FIN)
4M139BC5-31 PRIMARY Mayday Manufacturing Co. (USA)
4M139BC5-31 PRIMARY All Power Manufacturing Co. (USA)
ST4M139BC5-31 The Boeing Company Div Defense (USA)
4M139BC5-31 Avalon Machine Products Inc (USA)
Related Parts
5935-01-128-3770INTERCHANGEABLE
PLATE,RETAINING,ELECTRICAL CONNE
ST3M546B7
1005-01-167-1253INTERCHANGEABLE
BEARING TURRET SPRT
13386001

Frequently Asked Questions

What is NSN 3120-01-131-7632?

NSN 3120-01-131-7632 is a Bushing,sleeve, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-131-7632?

NSN 3120-01-131-7632 has 8 cross-referenced part numbers: 4M139BC5-31 (Reid Products Inc. Dba Reid Products Inc), 4M139BC5-31 (Master Machine Products Corp), 4M139BC5-31 (The Boeing Company Div Defense), 10130601 (Nimikkeistokeskus Ncb Finland), 4M139BC5-31 (Mayday Manufacturing Co.) and 3 more.

What NSN replaces 3120-01-131-7632?

There are 2 known substitutes for 3120-01-131-7632: 5935-01-128-3770, 1005-01-167-1253. Verify interchangeability with system specifications before substitution.

What are the specifications of 4M139BC5-31?

Key specifications for 4M139BC5-31: Overall Length: 0.3650 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN; Flange Width: 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN; Body Inside Diameter: 0.3060 INCHES MINIMUM AND 0.3075 INCHES MAXIMUM IN; Flange Outside Diameter: 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN. 15 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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