PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

427000PC317Seal,plain Encased

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5330-00-261-1554 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-261-1554 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-261-1554. Primary manufacturer part number: 427000PC317.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Material: STEEL CORROSION RESISTING CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 0.562 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.125 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Corrosion Resisting Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-261-1554, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-261-1554
Primary Part Number427000PC317
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Case StyleSQUARE
MaterialSTEEL CORROSION RESISTING CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.375 INCHES NOMINAL IN
Accommodated Shaft Diameter0.562 INCHES NOMINAL IN
Housing Bore Diameter1.125 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-285-94652F7426 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
427000PC317 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
33S99050-492 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
11218M1 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Z33S44375-760 Naval Ordnance Standards (USA)
Related Parts
5330-00-285-9465INTERCHANGEABLE
SEAL,PLAIN ENCASED
2F7426

Frequently Asked Questions

What is NSN 5330-00-261-1554?

NSN 5330-00-261-1554 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: active.

What are the part numbers for NSN 5330-00-261-1554?

NSN 5330-00-261-1554 has 4 cross-referenced part numbers: 427000PC317 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 33S99050-492 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 11218M1 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), Z33S44375-760 (Naval Ordnance Standards).

What NSN replaces 5330-00-261-1554?

There is 1 known substitute for 5330-00-261-1554: 5330-00-285-9465. Verify interchangeability with system specifications before substitution.

What are the specifications of 427000PC317?

Key specifications for 427000PC317: Case Style: SQUARE; Material: STEEL CORROSION RESISTING CASE; Material: RUBBER SYNTHETIC SEALING ELEMENT; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 8 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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