PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10509Bearing,sleeve

Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co · NSN 3120-00-426-1549 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-426-1549 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-426-1549. Primary manufacturer part number: 10509.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY 937 OVERALL
  • Body Inside Diameter: 3.5050 INCHES MINIMUM AND 3.5060 INCHES MAXIMUM IN
  • Body Outside Diameter: 4.1270 INCHES MINIMUM AND 4.1290 INCHES MAXIMUM IN
  • 4 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-426-1549, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-426-1549
Primary Part Number10509
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerKoehring Cranes and Excavators Inc Sub of Northwest Engineering Co
StatusACTIVE
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY 937 OVERALL
Body Inside Diameter3.5050 INCHES MINIMUM AND 3.5060 INCHES MAXIMUM IN
Body Outside Diameter4.1270 INCHES MINIMUM AND 4.1290 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5970-00-023-62469287758 INTERCHANGEABLE
Insulator,plate
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
3040-00-127-2708322509 INTERCHANGEABLE
Shaft,shouldered
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5310-00-176-8119 INTERCHANGEABLE
Nut,plain,hexagon
4920-00-657-319810509 INTERCHANGEABLE
Brush and Spring As
Elbitamerica, Inc.
5940-00-900-3755 INTERCHANGEABLE
Terminal,stud
5826-00-945-2209102333 INTERCHANGEABLE
Counter Assy,hundre
Astronautics Corporation of America
5130-00-973-001783301 INTERCHANGEABLE
Anvil,fastener Installation Tool
Huck International, Inc. Div Kingston Operations
5305-01-069-890810509 INTERCHANGEABLE
Screw,cap,hexagon Head
Auto Vehicle Parts Co Dba Au-Ve-Co
5310-01-251-0878 INTERCHANGEABLE
Washer,flat
5305-01-283-046510509 INTERCHANGEABLE
Screw,cap,socket Head
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
10509 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
SU17010 Koehring Co Lorain Div (USA)
SU17010 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
10509 Koehring Co Lorain Div (USA)
Related Parts
5970-00-023-6246INTERCHANGEABLE
INSULATOR,PLATE
9287758
3040-00-127-2708INTERCHANGEABLE
SHAFT,SHOULDERED
322509
5310-00-176-8119INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4920-00-657-3198INTERCHANGEABLE
BRUSH AND SPRING AS
10509
5940-00-900-3755INTERCHANGEABLE
TERMINAL,STUD
5826-00-945-2209INTERCHANGEABLE
COUNTER ASSY,HUNDRE
102333
5130-00-973-0017INTERCHANGEABLE
ANVIL,FASTENER INSTALLATION TOOL
83301
5305-01-069-8908INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10509
5310-01-251-0878INTERCHANGEABLE
WASHER,FLAT
5305-01-283-0465INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10509
5110-01-428-5228INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
10-509

Frequently Asked Questions

What is NSN 3120-00-426-1549?

NSN 3120-00-426-1549 is a Bearing,sleeve, manufactured by Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-426-1549?

NSN 3120-00-426-1549 has 4 cross-referenced part numbers: 10509 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), SU17010 (Koehring Co Lorain Div), SU17010 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 10509 (Koehring Co Lorain Div).

What NSN replaces 3120-00-426-1549?

There are 11 known substitutes for 3120-00-426-1549: 5970-00-023-6246, 3040-00-127-2708, 5310-00-176-8119 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10509?

Key specifications for 10509: Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY 937 OVERALL. 7 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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