PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

521-3Caster,rigid

Fki Industries Inc Dba Faultless Caster Division · NSN 5340-00-816-5751 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-816-5751 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-816-5751. Primary manufacturer part number: 521-3.
Features
  • Caster,rigid — FSC 5340
  • Wheel Quantity: 1
  • Effective Height: 3.812 INCHES NOMINAL IN
  • Unpackaged Unit Weight: 1.900 POUNDS NOMINAL LBS
  • Wheel Diameter: 3.000 INCHES NOMINAL IN
  • Material: RUBBER WHEEL RIM
  • Surface Treatment: ENAMEL BODY
  • Material: STEEL BODY
Applications
  • Applications requiring Rubber Wheel Rim construction
General Description

The Caster,rigid, cataloged under National Stock Number 5340-00-816-5751, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fki Industries Inc Dba Faultless Caster Division. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-816-5751
Primary Part Number521-3
Item NameCaster,rigid
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerFki Industries Inc Dba Faultless Caster Division
StatusACTIVE
Wheel Quantity1
Effective Height3.812 INCHES NOMINAL IN
Unpackaged Unit Weight1.900 POUNDS NOMINAL LBS
Wheel Diameter3.000 INCHES NOMINAL IN
MaterialRUBBER WHEEL RIM
Surface TreatmentENAMEL BODY
MaterialSTEEL BODY
MaterialSTEEL PLATE
Surface TreatmentENAMEL PLATE
MaterialRUBBER TREAD
Wheel TypeBUILT UP
Caster Plate Width2.500 INCHES NOMINAL IN
Caster Plate Length5.000 INCHES NOMINAL IN
Caster Plate Mounting Hole Diameter0.312 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Length4.000 INCHES NOMINAL IN
Safe Operating Load Rating150.0 POUNDS NOMINAL LBS
Tread Width1.250 INCHES NOMINAL IN
Wheel Bearing TypeSLEEVE
Center to Center Distance Between Bolt Holes Along Width1.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
6515-01-356-38165213 SUCCESSOR
Stockings,anti-Embolism
Covidien Sales Llc Dba Covidien Sales
4730-00-122-0477SAE J246 4 120115B INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Sae International Dba Sae International
5310-00-146-07775213 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3110-00-156-4745182-415 INTERCHANGEABLE
Bearing,ball,annular
Hatch & Kirk, Inc.
3110-00-156-7942 INTERCHANGEABLE
Bearing,ball,annular
5315-00-240-72245213 INTERCHANGEABLE
Pin,spring
Air-Lock, Incorporated
5210-00-376-77139240-002-13 INTERCHANGEABLE
Vial,level
Atlas Instrument Co Inc
5935-00-387-29795213 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2530-00-521-5199 INTERCHANGEABLE
Plate Brake Control
3110-00-554-3369 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
730-3RM Payson Casters, Inc (USA)
521-3 PRIMARY Fki Industries Inc Dba Faultless Caster Division (USA)
Related Parts
6515-01-356-3816SUCCESSOR
STOCKINGS,ANTI-EMBOLISM
5213
4730-00-122-0477INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
SAE J246 4 120115B
5310-00-146-0777INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
5213
3110-00-156-4745INTERCHANGEABLE
BEARING,BALL,ANNULAR
182-415
3110-00-156-7942INTERCHANGEABLE
BEARING,BALL,ANNULAR
5315-00-240-7224INTERCHANGEABLE
PIN,SPRING
5213
5210-00-376-7713INTERCHANGEABLE
VIAL,LEVEL
9240-002-13
5935-00-387-2979INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5213
2530-00-521-5199INTERCHANGEABLE
PLATE BRAKE CONTROL
3110-00-554-3369INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-00-586-4462INTERCHANGEABLE
RETAINER,SEAT,TEMPERATURE PILOT
5213
5910-00-931-9680INTERCHANGEABLE
CAPACITOR,FIXED,GLASS DIELECTRIC
914-0970-000

Frequently Asked Questions

What is NSN 5340-00-816-5751?

NSN 5340-00-816-5751 is a Caster,rigid, manufactured by Fki Industries Inc Dba Faultless Caster Division, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-816-5751?

NSN 5340-00-816-5751 has 2 cross-referenced part numbers: 730-3RM (Payson Casters, Inc), 521-3 (Fki Industries Inc Dba Faultless Caster Division).

What NSN replaces 5340-00-816-5751?

There are 12 known substitutes for 5340-00-816-5751: 6515-01-356-3816, 4730-00-122-0477, 5310-00-146-0777 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 521-3?

Key specifications for 521-3: Wheel Quantity: 1; Effective Height: 3.812 INCHES NOMINAL IN; Unpackaged Unit Weight: 1.900 POUNDS NOMINAL LBS; Wheel Diameter: 3.000 INCHES NOMINAL IN. 19 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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