PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RBSA3-2Ball Joint

Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc · NSN 3040-00-942-2530 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-942-2530 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-942-2530. Primary manufacturer part number: RBSA3-2.
Features
  • Ball Joint — FSC 3040
  • Ball End Connection Thread Provision: UNTHREADED
  • Length: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
  • Socket End Connection Thread Provision: THREADED
  • Socket End Thread Location: INTERNAL
  • Style Designator: SINGLE, STRAIGHT, HOLED SHANK
  • Socket End Thread Size and Series/type Designator: 1/4-28 UNF
  • Socket End Thread Direction: RIGHT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ball Joint, cataloged under National Stock Number 3040-00-942-2530, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-942-2530
Primary Part NumberRBSA3-2
Item NameBall Joint
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRadial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc
StatusCANCELLED
Ball End Connection Thread ProvisionUNTHREADED
Length1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
Socket End Connection Thread ProvisionTHREADED
Socket End Thread LocationINTERNAL
Style DesignatorSINGLE, STRAIGHT, HOLED SHANK
Socket End Thread Size and Series/type Designator1/4-28 UNF
Socket End Thread DirectionRIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3040-00-020-934910-1663 INTERCHANGEABLE
Ball Joint
Roller Bearing Company of America, Inc.
2805-00-529-102078623 INTERCHANGEABLE
Deflector,dirt and Liquid
Dresser, Llc
4720-00-532-5295101663 INTERCHANGEABLE
Hose Assembly,nonmetallic
Senior Operations Llc Div Senior Aerospace Ssp
6220-00-774-5347503R12 INTERCHANGEABLE
Light Assembly,clearance Marker
Load King, Llc Div Load King
5961-00-840-0534128 INTERCHANGEABLE
Socket Transistor
Tdk-Lambda Americas Inc. Div High Power Division
5950-00-929-0459 INTERCHANGEABLE
Transformer,pulse
6625-00-980-2755101663 INTERCHANGEABLE
Fixture,test,electrical-Electron
L3harris Technologies, Inc Div Space & Airborne Systems
5330-01-197-3204101663, 7NL2FA INTERCHANGEABLE
Seal,plain
Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k
5330-01-289-497610-16-63 INTERCHANGEABLE
Felt,mechanical,preformed
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
9905-01-689-3325101663 INTERCHANGEABLE
Plate,instruction
Iris Technology Corporation Dba Iris Technology Corp
Cross-Reference Index
Part NumberManufacturer
RBSA3-2 PRIMARY Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA)
10-1663 Roller Bearing Company of America, Inc. (USA)
113B6035P1 General Electric Company (USA)
913B276P2 General Electric Company (USA)
78623 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
113B2552P1 General Electric Company (USA)
913B276P2 Bae Systems Controls Inc. (USA)
691C959P1 Bae Systems Controls Inc. (USA)
Related Parts
3040-00-020-9349INTERCHANGEABLE
BALL JOINT
10-1663
2805-00-529-1020INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
78623
4720-00-532-5295INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
101663
6220-00-774-5347INTERCHANGEABLE
LIGHT ASSEMBLY,CLEARANCE MARKER
503R12
5961-00-840-0534INTERCHANGEABLE
SOCKET TRANSISTOR
128
5950-00-929-0459INTERCHANGEABLE
TRANSFORMER,PULSE
6625-00-980-2755INTERCHANGEABLE
FIXTURE,TEST,ELECTRICAL-ELECTRON
101663
5330-01-197-3204INTERCHANGEABLE
SEAL,PLAIN
101663, 7NL2FA
5330-01-289-4976INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
10-16-63
9905-01-689-3325INTERCHANGEABLE
PLATE,INSTRUCTION
101663

Frequently Asked Questions

What is NSN 3040-00-942-2530?

NSN 3040-00-942-2530 is a Ball Joint, manufactured by Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-942-2530?

NSN 3040-00-942-2530 has 8 cross-referenced part numbers: RBSA3-2 (Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc), 10-1663 (Roller Bearing Company of America, Inc.), 113B6035P1 (General Electric Company), 913B276P2 (General Electric Company), 78623 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics) and 3 more.

What NSN replaces 3040-00-942-2530?

There are 10 known substitutes for 3040-00-942-2530: 3040-00-020-9349, 2805-00-529-1020, 4720-00-532-5295 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RBSA3-2?

Key specifications for RBSA3-2: Special Features: HOLE DIA 0.189/0.190 IN,;SHANK WDTH 0.625 IN.;UNTHD BALL END:TYPE-FEMALE,OD 0.324 IN.,ID 0.190 IN.,DEPTH 0.240/0.245 IN. IN; Ball End Connection Thread Provision: UNTHREADED; Length: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN; Socket End Connection Thread Provision: THREADED. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-942-2530 still in active supply?

NSN 3040-00-942-2530 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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