PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18052Seal,plain Encased

Paccar Winch Inc Dba Paccar Winch Division · NSN 5330-01-012-2477 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-012-2477 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-012-2477. Primary manufacturer part number: 18052.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: RECESSED
  • Material: STEEL CASE
  • Housing Bore Diameter: 4.498 INCHES NOMINAL IN
  • Sealing Element Style: VERTICAL
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 3.375 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-012-2477, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-012-2477
Primary Part Number18052
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
Case StyleRECESSED
MaterialSTEEL CASE
Housing Bore Diameter4.498 INCHES NOMINAL IN
Sealing Element StyleVERTICAL
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Seal Width0.500 INCHES NOMINAL IN
Accommodated Shaft Diameter3.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9297 INTERCHANGEABLE
Drill,twist
4730-00-221-2137AS4863SIZE02 MOD INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
6625-00-224-243141-4B INTERCHANGEABLE
Detector,radio Frequency
Boonton Electronics Corporation Div Boonton Electronics
5133-00-236-4046 INTERCHANGEABLE
Drill,twist
6210-00-299-4950 INTERCHANGEABLE
Light,indicator
2805-00-333-4330 INTERCHANGEABLE
Baffle,airflow,nonaircraft Recip
5895-00-383-274851011 INTERCHANGEABLE
Panel,indicator
Ward Leonard Ct Llc
5360-00-541-7864 INTERCHANGEABLE
Spring,helical,compression
5950-00-577-3062 INTERCHANGEABLE
Transformer,audio Frequency
5305-00-589-4354 INTERCHANGEABLE
Screw Assembly
Cross-Reference Index
Part NumberManufacturer
18052 Paccar Winch Inc Dba Paccar Winch Division (USA)
51011 Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
5133-00-189-9297INTERCHANGEABLE
DRILL,TWIST
4730-00-221-2137INTERCHANGEABLE
PLUG,PIPE
AS4863SIZE02 MOD
6625-00-224-2431INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
41-4B
5133-00-236-4046INTERCHANGEABLE
DRILL,TWIST
6210-00-299-4950INTERCHANGEABLE
LIGHT,INDICATOR
2805-00-333-4330INTERCHANGEABLE
BAFFLE,AIRFLOW,NONAIRCRAFT RECIP
5895-00-383-2748INTERCHANGEABLE
PANEL,INDICATOR
51011
5360-00-541-7864INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-577-3062INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5305-00-589-4354INTERCHANGEABLE
SCREW ASSEMBLY
5950-00-754-6426INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
9137141
9540-00-805-6445INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE

Frequently Asked Questions

What is NSN 5330-01-012-2477?

NSN 5330-01-012-2477 is a Seal,plain Encased, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-012-2477?

NSN 5330-01-012-2477 has 2 cross-referenced part numbers: 18052 (Paccar Winch Inc Dba Paccar Winch Division), 51011 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 5330-01-012-2477?

There are 12 known substitutes for 5330-01-012-2477: 5133-00-189-9297, 4730-00-221-2137, 6625-00-224-2431 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18052?

Key specifications for 18052: Case Style: RECESSED; Material: STEEL CASE; Housing Bore Diameter: 4.498 INCHES NOMINAL IN; Sealing Element Style: VERTICAL. 7 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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