PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4181Ring,dental Casting

Whip-Mix Corp · NSN 6520-01-234-0241 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-234-0241 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-234-0241. Primary manufacturer part number: 4181.
Features
  • Ring,dental Casting — FSC 6520
  • General Characteristics Item Description: PYRINEL ALLOY METAL; 1.500 IN. OD; 1.562 IN. H; FOR AIR PRESSURE CASTING IN
  • 1 verified cross-reference
  • Primary manufacturer: Whip-Mix Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,dental Casting, cataloged under National Stock Number 6520-01-234-0241, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Whip-Mix Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6520-01-234-0241
Primary Part Number4181
Item NameRing,dental Casting
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerWhip-Mix Corp
StatusACTIVE
General Characteristics Item DescriptionPYRINEL ALLOY METAL; 1.500 IN. OD; 1.562 IN. H; FOR AIR PRESSURE CASTING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
2815-00-146-2305 INTERCHANGEABLE
Plate,engine Founda
5940-00-216-74099000S6202-74193REV0 INTERCHANGEABLE
Terminal Box
Naval Ship Systems Command
5120-00-293-0016 INTERCHANGEABLE
Wrench Set,crowfoot,ratcheting
5950-00-683-8105 INTERCHANGEABLE
Transformer,audio Frequency
5950-00-707-7997435506 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
5305-00-886-2182 INTERCHANGEABLE
Setscrew
6670-01-013-8791 INTERCHANGEABLE
Scale,weighing
5340-01-064-18954181 INTERCHANGEABLE
Strap,retaining
Abb Installation Products Inc
4730-01-202-974504181 INTERCHANGEABLE
Strainer,sediment
Dover Corp Groen Div
5905-01-622-0682 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
4181 PRIMARY Whip-Mix Corp (USA)
Related Parts
2815-00-146-2305INTERCHANGEABLE
PLATE,ENGINE FOUNDA
5940-00-216-7409INTERCHANGEABLE
TERMINAL BOX
9000S6202-74193REV0
5120-00-293-0016INTERCHANGEABLE
WRENCH SET,CROWFOOT,RATCHETING
5950-00-683-8105INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-00-707-7997INTERCHANGEABLE
TRANSFORMER,POWER
435506
5305-00-886-2182INTERCHANGEABLE
SETSCREW
6670-01-013-8791INTERCHANGEABLE
SCALE,WEIGHING
5340-01-064-1895INTERCHANGEABLE
STRAP,RETAINING
4181
4730-01-202-9745INTERCHANGEABLE
STRAINER,SEDIMENT
04181
5905-01-622-0682INTERCHANGEABLE
RESISTOR,FIXED,FILM
6685-01-624-5489INTERCHANGEABLE
CALIBRATOR,THERMOMETER
4181-156
8340-01-649-2260INTERCHANGEABLE
SHADE ASSEMBLY,SOLA
4181

Frequently Asked Questions

What is NSN 6520-01-234-0241?

NSN 6520-01-234-0241 is a Ring,dental Casting, manufactured by Whip-Mix Corp, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-234-0241?

NSN 6520-01-234-0241 has 1 cross-referenced part number: 4181 (Whip-Mix Corp).

What NSN replaces 6520-01-234-0241?

There are 12 known substitutes for 6520-01-234-0241: 2815-00-146-2305, 5940-00-216-7409, 5120-00-293-0016 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4181?

Key specifications for 4181: Part Name Assigned by Controlling Agency: RING DEN CASTING PYRINEL ALLOY 1.5"OD 1.562" HT AIR PRES CASTING; General Characteristics Item Description: PYRINEL ALLOY METAL; 1.500 IN. OD; 1.562 IN. H; FOR AIR PRESSURE CASTING IN. 2 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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