PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509419Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-029-6400 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-029-6400 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-029-6400. Primary manufacturer part number: 509419.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
  • Temp Rating: 300.0 FAHRENHEIT DEGF
  • Housing Bore Diameter: 2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Diameter: 1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
  • Seal Width: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
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 5330-01-029-6400, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-029-6400
Primary Part Number509419
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Sealing Element StyleANGULAR
Case StyleSQUARE
Temp Rating300.0 FAHRENHEIT DEGF
Housing Bore Diameter2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Diameter1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
Seal Width0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-198-1187N11684 INTERCHANGEABLE
Retainer and Balls,bearing
Leslie Controls, Inc. Dba Leslie Controls Inc
3110-00-227-4630HM89410 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5330-00-354-4134116841 INTERCHANGEABLE
Seal,plain
Dresser, Llc
6515-00-361-16005867571322 INTERCHANGEABLE
Retractor,goiter
Owens & Minor Distribution Inc
4810-00-480-4400 INTERCHANGEABLE
Valve,solenoid
5950-00-561-257711684 INTERCHANGEABLE
Transformer,radio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
3040-00-858-6530800558 INTERCHANGEABLE
Cam,control
L3harris Cincinnati Electronics Corporation
5340-00-910-659811684 INTERCHANGEABLE
Block,cover,main Ge
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5310-00-990-532211684 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-006-025011684 INTERCHANGEABLE
Screw,special
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
509419 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
11684 M-D Pneumatics Inc (USA)
11684-1 M-D Pneumatics Inc (USA)
Related Parts
3110-00-198-1187INTERCHANGEABLE
RETAINER AND BALLS,BEARING
N11684
3110-00-227-4630INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
HM89410
5330-00-354-4134INTERCHANGEABLE
SEAL,PLAIN
116841
6515-00-361-1600INTERCHANGEABLE
RETRACTOR,GOITER
5867571322
4810-00-480-4400INTERCHANGEABLE
VALVE,SOLENOID
5950-00-561-2577INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
11684
3040-00-858-6530INTERCHANGEABLE
CAM,CONTROL
800558
5340-00-910-6598INTERCHANGEABLE
BLOCK,COVER,MAIN GE
11684
5310-00-990-5322INTERCHANGEABLE
WASHER,FLAT
11684
5305-01-006-0250INTERCHANGEABLE
SCREW,SPECIAL
11684
5360-01-029-5611INTERCHANGEABLE
SPRING,HELICAL,TORSION

Frequently Asked Questions

What is NSN 5330-01-029-6400?

NSN 5330-01-029-6400 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-029-6400?

NSN 5330-01-029-6400 has 3 cross-referenced part numbers: 509419 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 11684 (M-D Pneumatics Inc), 11684-1 (M-D Pneumatics Inc).

What NSN replaces 5330-01-029-6400?

There are 11 known substitutes for 5330-01-029-6400: 3110-00-198-1187, 3110-00-227-4630, 5330-00-354-4134 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 509419?

Key specifications for 509419: Sealing Element Style: ANGULAR; Case Style: SQUARE; Temp Rating: 300.0 FAHRENHEIT DEGF; Housing Bore Diameter: 2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN. 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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