PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D12552-2Seal Ring,metal

Mkt Geotechnical Systems · NSN 5330-00-856-8397 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-856-8397 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-856-8397. Primary manufacturer part number: D12552-2.
Features
  • Seal Ring,metal — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Mkt Geotechnical Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Ring,metal, cataloged under National Stock Number 5330-00-856-8397, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mkt Geotechnical Systems. This item has 2 commercial cross-references from 1 manufacturer, 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 NameSeal Ring,metal
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersMkt Geotechnical Systems (CAGE 20263)
Technical Specifications
ParameterValue
NSN5330-00-856-8397
Primary Part NumberD12552-2
Item NameSeal Ring,metal
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMkt Geotechnical Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-181-9300 INTERCHANGEABLE
Bearing,roller,journal
5340-01-067-904477M69-20 ITEM 22 INTERCHANGEABLE
Seat,helical Compression Spring
Electric Boat Corporation Div General Dynamics Electric Boat
5935-01-361-43015D0191-2 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
D12552-2 Mkt Geotechnical Systems (USA)
12552-2 Mkt Geotechnical Systems (USA)
Related Parts
3110-00-181-9300INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
5340-01-067-9044INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
77M69-20 ITEM 22
5935-01-361-4301INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5D0191-2

Frequently Asked Questions

What is NSN 5330-00-856-8397?

NSN 5330-00-856-8397 is a Seal Ring,metal, manufactured by Mkt Geotechnical Systems, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-856-8397?

NSN 5330-00-856-8397 has 2 cross-referenced part numbers: D12552-2 (Mkt Geotechnical Systems), 12552-2 (Mkt Geotechnical Systems).

What NSN replaces 5330-00-856-8397?

There are 3 known substitutes for 5330-00-856-8397: 3110-00-181-9300, 5340-01-067-9044, 5935-01-361-4301. Verify interchangeability with system specifications before substitution.

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