PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13205Ring,wearing

M-D Pneumatics Inc · NSN 4320-01-120-2724 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-120-2724 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-120-2724. Primary manufacturer part number: 13205.
Features
  • Ring,wearing — FSC 4320
  • Body Outside Diameter: 3.938 INCHES NOMINAL IN
  • Material: STEEL
  • Body Inside Diameter: 2.740 INCHES NOMINAL IN
  • Body Style: PLAIN
  • Corner Shape: SQUARE ALL CORNERS
  • 1 verified cross-reference
  • Primary manufacturer: M-D Pneumatics Inc
Applications
  • Applications requiring Steel construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-120-2724, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is M-D Pneumatics Inc. Government technical data includes 5 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-120-2724
Primary Part Number13205
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerM-D Pneumatics Inc
StatusACTIVE
Body Outside Diameter3.938 INCHES NOMINAL IN
MaterialSTEEL
Body Inside Diameter2.740 INCHES NOMINAL IN
Body StylePLAIN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-285-3330146-6 INTERCHANGEABLE
Seal,plain Encased
Mack Trucks Inc Parts Opn
5360-00-507-539313205 INTERCHANGEABLE
Spring,helical,compression
Mid-America Aerotech, Llc
6145-01-146-7407 INTERCHANGEABLE
Wire,electrical
5930-01-209-5606 INTERCHANGEABLE
Switch,rotary
6520-01-247-133013205 INTERCHANGEABLE
Paste,preventive Dentistry
Pascal Co, Inc
4730-01-465-2461 INTERCHANGEABLE
Adapter,straight,flange to Hose
8105-01-518-984913205 INTERCHANGEABLE
Bag,electrostatic Protective
Desco Industries, Inc. Dba Desco Industries Inc Div Desco
5120-01-603-585713205 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
Cross-Reference Index
Part NumberManufacturer
13205 M-D Pneumatics Inc (USA)
Related Parts
5330-00-285-3330INTERCHANGEABLE
SEAL,PLAIN ENCASED
146-6
5360-00-507-5393INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
13205
6145-01-146-7407INTERCHANGEABLE
WIRE,ELECTRICAL
5930-01-209-5606INTERCHANGEABLE
SWITCH,ROTARY
6520-01-247-1330INTERCHANGEABLE
PASTE,PREVENTIVE DENTISTRY
13205
4730-01-465-2461INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO HOSE
8105-01-518-9849INTERCHANGEABLE
BAG,ELECTROSTATIC PROTECTIVE
13205
5120-01-603-5857INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
13205

Frequently Asked Questions

What is NSN 4320-01-120-2724?

NSN 4320-01-120-2724 is a Ring,wearing, manufactured by M-D Pneumatics Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-120-2724?

NSN 4320-01-120-2724 has 1 cross-referenced part number: 13205 (M-D Pneumatics Inc).

What NSN replaces 4320-01-120-2724?

There are 8 known substitutes for 4320-01-120-2724: 5330-00-285-3330, 5360-00-507-5393, 6145-01-146-7407 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13205?

Key specifications for 13205: Body Outside Diameter: 3.938 INCHES NOMINAL IN; Material: STEEL; Body Inside Diameter: 2.740 INCHES NOMINAL IN; Body Style: PLAIN. 6 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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