PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12530Bearing,washer,thrust

Jay Bee Machine Works, Inc · NSN 3120-00-661-4741 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-4741 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-4741. Primary manufacturer part number: 12530.
Features
  • Bearing,washer,thrust — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Washer Keyway Depth: 0.1562 INCHES NOMINAL IN
  • Style Designator: ROUND W/KEYWAYS
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Thickness: 0.1860 INCHES NOMINAL IN
  • Diameter: 2.8170 INCHES NOMINAL IN
  • Outside Diameter: 4.2500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-661-4741, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Jay Bee Machine Works, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN3120-00-661-4741
Primary Part Number12530
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerJay Bee Machine Works, Inc
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Washer Keyway Depth0.1562 INCHES NOMINAL IN
Style DesignatorROUND W/KEYWAYS
Cross-Sectional Shape StyleRECTANGULAR
Overall Thickness0.1860 INCHES NOMINAL IN
Diameter2.8170 INCHES NOMINAL IN
Outside Diameter4.2500 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Keyway Quantity1
Keyway Radius0.1562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-189-226312530 INTERCHANGEABLE
Switch,waveguide
Mercury Commercial Electronics, Inc. Dba Micronetics
5330-00-292-163121015 INTERCHANGEABLE
Seal,plain Encased
Tulsa Winch, Inc.
5330-00-297-625312530 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5905-00-330-4374267619 INTERCHANGEABLE
Resistance Element
Cae Usa Inc.
5950-00-421-909070096 INTERCHANGEABLE
Transformer,pulse
Vanguard Electronics, Llc
3120-00-661-3282 INTERCHANGEABLE
Bearing,washer,thrust
2520-00-737-49031268842 INTERCHANGEABLE
Power Take Off
Chrysler Realty Company Llc Dba Daimler Chrysler
5977-00-739-7036 INTERCHANGEABLE
Brush,electrical Contact
2910-01-054-6990 INTERCHANGEABLE
Filter Element,fluid
5930-01-153-2304123919LB INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
Cross-Reference Index
Part NumberManufacturer
N8640-6ALT2PC37 Carrier Corp (USA)
571-3801-1444715REVAPC114X1062 Naval Ship Systems Command (USA)
12530 PRIMARY Jay Bee Machine Works, Inc (USA)
52131-5901-998673ALT2PC37 Naval Ship Systems Command (USA)
5H40-1062 PRIMARY Carrier Corp (USA)
52MAD1282N18PC114X1062 Carrier Corp (USA)
WAS-0619 PRIMARY C M P Corporation (USA)
WAS-90619 PRIMARY C M P Corporation (USA)
Related Parts
5985-00-189-2263INTERCHANGEABLE
SWITCH,WAVEGUIDE
12530
5330-00-292-1631INTERCHANGEABLE
SEAL,PLAIN ENCASED
21015
5330-00-297-6253INTERCHANGEABLE
SEAL,PLAIN ENCASED
12530
5905-00-330-4374INTERCHANGEABLE
RESISTANCE ELEMENT
267619
5950-00-421-9090INTERCHANGEABLE
TRANSFORMER,PULSE
70096
3120-00-661-3282INTERCHANGEABLE
BEARING,WASHER,THRUST
2520-00-737-4903INTERCHANGEABLE
POWER TAKE OFF
1268842
5977-00-739-7036INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
2910-01-054-6990INTERCHANGEABLE
FILTER ELEMENT,FLUID
5930-01-153-2304INTERCHANGEABLE
SWITCH,ROTARY
123919LB
2520-01-323-8734INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
4810-01-437-4772INTERCHANGEABLE
ARM,POSITION INDICATOR
A-818-12530-10

Frequently Asked Questions

What is NSN 3120-00-661-4741?

NSN 3120-00-661-4741 is a Bearing,washer,thrust, manufactured by Jay Bee Machine Works, Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-4741?

NSN 3120-00-661-4741 has 8 cross-referenced part numbers: N8640-6ALT2PC37 (Carrier Corp), 571-3801-1444715REVAPC114X1062 (Naval Ship Systems Command), 12530 (Jay Bee Machine Works, Inc), 52131-5901-998673ALT2PC37 (Naval Ship Systems Command), 5H40-1062 (Carrier Corp) and 3 more.

What NSN replaces 3120-00-661-4741?

There are 12 known substitutes for 3120-00-661-4741: 5985-00-189-2263, 5330-00-292-1631, 5330-00-297-6253 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12530?

Key specifications for 12530: Corner Shape: SQUARE ALL CORNERS; Washer Keyway Depth: 0.1562 INCHES NOMINAL IN; Style Designator: ROUND W/KEYWAYS; Cross-Sectional Shape Style: RECTANGULAR. 10 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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