PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6131-2Ball,bearing

Kovatch Corp. · NSN 3110-01-283-5404 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-283-5404 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-283-5404. Primary manufacturer part number: 6131-2.
Features
  • Ball,bearing — FSC 3110
  • 2 verified cross-references
  • Primary manufacturer: Kovatch Corp.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Ball,bearing, cataloged under National Stock Number 3110-01-283-5404, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Kovatch Corp.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBall,bearing
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersKovatch Corp. (CAGE 59556); Philadelphia Valve Co (CAGE 77254)
Technical Specifications
ParameterValue
NSN3110-01-283-5404
Primary Part Number6131-2
Item NameBall,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerKovatch Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-248-1171 INTERCHANGEABLE
Seal,plain Encased
4330-00-277-17033278181 INTERCHANGEABLE
Filter Element,fluid
Hatch & Kirk, Inc.
5307-00-450-229361312 INTERCHANGEABLE
Stud,self-Locking
B/e Aerospace Inc Dba Interturbine
5950-00-646-22426131-2 INTERCHANGEABLE
Coil,electrical
Te Connectivity Corporation
4820-00-866-45841320 1-2IN INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
6350-01-045-1502613-12 INTERCHANGEABLE
Board,charger Failu
Ametek Programmable Power, Inc.
5305-01-186-1088R820105 PIECE 35 INTERCHANGEABLE
Screw
Eaton Aerospace, Llc Dba Jackson South
6685-01-236-303165832E INTERCHANGEABLE
Pressure Regulator
Fairchild Industrial Products Company
3110-01-367-3982N61312 INTERCHANGEABLE
Bearing,roller,needle
Leslie Controls, Inc. Dba Leslie Controls Inc
5995-01-371-74796131-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Oriel Corp
Cross-Reference Index
Part NumberManufacturer
6131-2 PRIMARY Kovatch Corp. (USA)
6131-2 Philadelphia Valve Co (USA)
Related Parts
5330-00-248-1171INTERCHANGEABLE
SEAL,PLAIN ENCASED
4330-00-277-1703INTERCHANGEABLE
FILTER ELEMENT,FLUID
3278181
5307-00-450-2293INTERCHANGEABLE
STUD,SELF-LOCKING
61312
5950-00-646-2242INTERCHANGEABLE
COIL,ELECTRICAL
6131-2
4820-00-866-4584INTERCHANGEABLE
VALVE,GATE
1320 1-2IN
6350-01-045-1502INTERCHANGEABLE
BOARD,CHARGER FAILU
613-12
5305-01-186-1088INTERCHANGEABLE
SCREW
R820105 PIECE 35
6685-01-236-3031INTERCHANGEABLE
PRESSURE REGULATOR
65832E
3110-01-367-3982INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
N61312
5995-01-371-7479INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6131-2
5340-01-515-0574INTERCHANGEABLE
BRACKET,MOUNTING
3420411
6650-01-660-8546INTERCHANGEABLE
BINOCULAR

Frequently Asked Questions

What is NSN 3110-01-283-5404?

NSN 3110-01-283-5404 is a Ball,bearing, manufactured by Kovatch Corp., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-283-5404?

NSN 3110-01-283-5404 has 2 cross-referenced part numbers: 6131-2 (Kovatch Corp.), 6131-2 (Philadelphia Valve Co).

What NSN replaces 3110-01-283-5404?

There are 12 known substitutes for 3110-01-283-5404: 5330-00-248-1171, 4330-00-277-1703, 5307-00-450-2293 and 9 more. Verify interchangeability with system specifications before substitution.

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