PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST507003Retainer and Rollers,bearing

Kaydon Corporation Dba Kaydon Corp · NSN 3110-01-155-2598 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-155-2598 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-155-2598. Primary manufacturer part number: ST507003.
Features
  • Retainer and Rollers,bearing — FSC 3110
  • Retainer Piece Quantity: 1
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES ROLLER
  • Outside Diameter: 2.7380 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
  • Style Designator: RETAINER AND ROLLERS, THRUST
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP E50100 ROLLER
  • Rolling Element Diameter: 0.1177 INCHES MINIMUM AND 0.1181 INCHES MAXIMUM IN
  • Bore Diameter: 1.9700 INCHES MINIMUM AND 1.9770 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 or Steel Comp E50100 Roller construction
General Description

The Retainer and Rollers,bearing, cataloged under National Stock Number 3110-01-155-2598, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Kaydon Corporation Dba Kaydon Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN3110-01-155-2598
Primary Part NumberST507003
Item NameRetainer and Rollers,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerKaydon Corporation Dba Kaydon Corp
StatusACTIVE
Retainer Piece Quantity1
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES ROLLER
Outside Diameter2.7380 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
Style DesignatorRETAINER AND ROLLERS, THRUST
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP E50100 ROLLER
Rolling Element Diameter0.1177 INCHES MINIMUM AND 0.1181 INCHES MAXIMUM IN
Bore Diameter1.9700 INCHES MINIMUM AND 1.9770 INCHES MAXIMUM IN
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-264-9034TM1370-2 INTERCHANGEABLE
Terminal,lug
Thermo Electric Company Inc. Dba Thermo Electric Company
5305-00-271-873713702 INTERCHANGEABLE
Screw,machine
Prestolite Electric Inc
5905-00-402-8159912086-2 INTERCHANGEABLE
Resistor Network,fixed,film
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-954-0688 INTERCHANGEABLE
Ammeter
4310-00-956-9227839-128-041 INTERCHANGEABLE
Hub,gear
Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions
5660-00-969-5285 INTERCHANGEABLE
Top Rail,fence
5950-01-012-47949100-3019 INTERCHANGEABLE
Transformer,power
Keysight Technologies Inc
5950-01-058-973251-292 INTERCHANGEABLE
Reactor
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
1440-01-074-196913702 INTERCHANGEABLE
Guide,card
Apw Electronic Solutions
6505-01-217-943613702 INTERCHANGEABLE
Docusate Sodium Capsules
Goldline Laboratories Government Sales Div
Cross-Reference Index
Part NumberManufacturer
13702 New Venture Gear Inc New Process Gear Div (USA)
29904575-659A Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
ST507003 PRIMARY Kaydon Corporation Dba Kaydon Corp (USA)
FNT5070 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
AXK5070 Ina Bearing Co Inc (USA)
Related Parts
5940-00-264-9034INTERCHANGEABLE
TERMINAL,LUG
TM1370-2
5305-00-271-8737INTERCHANGEABLE
SCREW,MACHINE
13702
5905-00-402-8159INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
912086-2
6625-00-954-0688INTERCHANGEABLE
AMMETER
4310-00-956-9227INTERCHANGEABLE
HUB,GEAR
839-128-041
5660-00-969-5285INTERCHANGEABLE
TOP RAIL,FENCE
5950-01-012-4794INTERCHANGEABLE
TRANSFORMER,POWER
9100-3019
5950-01-058-9732INTERCHANGEABLE
REACTOR
51-292
1440-01-074-1969INTERCHANGEABLE
GUIDE,CARD
13702
6505-01-217-9436INTERCHANGEABLE
DOCUSATE SODIUM CAPSULES
13702
7930-01-418-1201INTERCHANGEABLE
CLEANING COMPOUND,HARD SURFACE-F
5310-01-602-8102INTERCHANGEABLE
WASHER,FLAT
13702

Frequently Asked Questions

What is NSN 3110-01-155-2598?

NSN 3110-01-155-2598 is a Retainer and Rollers,bearing, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-155-2598?

NSN 3110-01-155-2598 has 5 cross-referenced part numbers: 13702 (New Venture Gear Inc New Process Gear Div), 29904575-659A (Mpc Products Corporation Dba Woodward Mpc, Inc.), ST507003 (Kaydon Corporation Dba Kaydon Corp), FNT5070 (Timken Aerospace, Inc Dba Torrington Product), AXK5070 (Ina Bearing Co Inc).

What NSN replaces 3110-01-155-2598?

There are 12 known substitutes for 3110-01-155-2598: 5940-00-264-9034, 5305-00-271-8737, 5905-00-402-8159 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST507003?

Key specifications for ST507003: Retainer Piece Quantity: 1; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES ROLLER; Special Features: BLACK OXIDE FINISH,EITHER SIDE OF RETAINER; BLACK OXIDE ON ID-OPTIONAL; Outside Diameter: 2.7380 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN. 9 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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