PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

679623PC3Seal,plain Encased

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5330-00-261-1585 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-261-1585 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-261-1585. Primary manufacturer part number: 679623PC3.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.312 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CORROSION RESISTING CASE
  • Surface Treatment: PASSIVATE CASE
  • Accommodated Shaft Diameter: 0.500 INCHES NOMINAL IN
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-261-1585, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-261-1585
Primary Part Number679623PC3
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Seal Width0.312 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CORROSION RESISTING CASE
Surface TreatmentPASSIVATE CASE
Accommodated Shaft Diameter0.500 INCHES NOMINAL IN
Case StyleSQUARE
Sealing Element StyleANGULAR
Housing Bore Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5330-00-926-021511555 INTERCHANGEABLE
Seal
Level 10 Industries, Inc. Div Level 10 Industries
Cross-Reference Index
Part NumberManufacturer
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
21475-0051 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
679623PC3 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
21890-0051 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
Z33S44383-605 Naval Ordnance Standards (USA)
63X51 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
Related Parts
5330-00-926-0215INTERCHANGEABLE
SEAL
11555

Frequently Asked Questions

What is NSN 5330-00-261-1585?

NSN 5330-00-261-1585 is a Seal,plain Encased, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-261-1585?

NSN 5330-00-261-1585 has 6 cross-referenced part numbers: 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 21475-0051 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 679623PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 21890-0051 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), Z33S44383-605 (Naval Ordnance Standards) and 1 more.

What NSN replaces 5330-00-261-1585?

There is 1 known substitute for 5330-00-261-1585: 5330-00-926-0215. Verify interchangeability with system specifications before substitution.

What are the specifications of 679623PC3?

Key specifications for 679623PC3: Seal Width: 0.312 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT; Material: RUBBER SYNTHETIC SEALING ELEMENT; Material: STEEL CORROSION RESISTING CASE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-261-1585 still in active supply?

NSN 5330-00-261-1585 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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