PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74448Ring Seal

Dressta North America Ltd · NSN 2520-01-105-0724 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-105-0724 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-105-0724. Primary manufacturer part number: 74448.
Features
  • Ring Seal — FSC 2520
  • 3 verified cross-references
  • Primary manufacturer: Dressta North America Ltd
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Ring Seal, cataloged under National Stock Number 2520-01-105-0724, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Dressta North America Ltd. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing Seal
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersKomatsu America Corporation (CAGE 23926); Dressta North America Ltd (CAGE 45RP7)
Technical Specifications
ParameterValue
NSN2520-01-105-0724
Primary Part Number74448
Item NameRing Seal
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerDressta North America Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-448-5215 INTERCHANGEABLE
Tube,extension,drain
5365-00-529-479374448 INTERCHANGEABLE
Bushing,machine Thread
Telemechanics Inc
5330-00-729-43336049 INTERCHANGEABLE
Gasket
Sachs-Boge of America
Cross-Reference Index
Part NumberManufacturer
74448 Komatsu America Corporation (USA)
D-74448 Komatsu America Corporation (USA)
74448 PRIMARY Dressta North America Ltd (USA)
Related Parts
4730-00-448-5215INTERCHANGEABLE
TUBE,EXTENSION,DRAIN
5365-00-529-4793INTERCHANGEABLE
BUSHING,MACHINE THREAD
74448
5330-00-729-4333INTERCHANGEABLE
GASKET
6049

Frequently Asked Questions

What is NSN 2520-01-105-0724?

NSN 2520-01-105-0724 is a Ring Seal, manufactured by Dressta North America Ltd, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-105-0724?

NSN 2520-01-105-0724 has 3 cross-referenced part numbers: 74448 (Komatsu America Corporation), D-74448 (Komatsu America Corporation), 74448 (Dressta North America Ltd).

What NSN replaces 2520-01-105-0724?

There are 3 known substitutes for 2520-01-105-0724: 4730-00-448-5215, 5365-00-529-4793, 5330-00-729-4333. Verify interchangeability with system specifications before substitution.

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