PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E37030-3PC26Seal,plain Encased

Eaton Aerospace, Llc Dba Jackson South · NSN 5330-00-178-6393 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-6393 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-6393. Primary manufacturer part number: E37030-3PC26.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Housing Bore Diameter: 4.500 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Seal Width: 0.562 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
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 5330-00-178-6393, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 2 manufacturers, 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
NSN5330-00-178-6393
Primary Part NumberE37030-3PC26
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Case StyleSQUARE
Housing Bore Diameter4.500 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.562 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Accommodated Shaft Diameter3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-281-1557150-1 INTERCHANGEABLE
Grommet,nonmetallic
Dresser Industries Inc Leroi Div
1680-00-517-83883116 INTERCHANGEABLE
Filter,aircraft Instruments
Safran Power Usa Llc
5305-00-527-3463 INTERCHANGEABLE
Screw,machine
6625-00-542-09912187 INTERCHANGEABLE
Case,electrical-Electronic Test
Entron Industries Limited Partnership Dba Entron Industries Property Div
5930-00-581-60281JRBA15 INTERCHANGEABLE
Switch,rotary
Naval Ship Systems Command
5950-00-648-27992187 INTERCHANGEABLE
Saturable Reactor
Precision Electronics, Inc
5930-00-786-1857 INTERCHANGEABLE
Switch,rotary
5330-00-825-345899129797 INTERCHANGEABLE
Gasket
Alfa Laval Inc
5360-00-941-373914210 INTERCHANGEABLE
Spring,helical,compression
Emcor Enclosures Llc
6240-00-949-81062140-0037 INTERCHANGEABLE
Lamp,incandescent
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
E37030-3PC26 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
2187 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
34303-7PC26 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
E37030-7PC26 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
29797 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
E37030-4PC25 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
E37030-7PC25 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
34303-7PC25 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
39X34 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
5325-00-281-1557INTERCHANGEABLE
GROMMET,NONMETALLIC
150-1
1680-00-517-8388INTERCHANGEABLE
FILTER,AIRCRAFT INSTRUMENTS
3116
5305-00-527-3463INTERCHANGEABLE
SCREW,MACHINE
6625-00-542-0991INTERCHANGEABLE
CASE,ELECTRICAL-ELECTRONIC TEST
2187
5930-00-581-6028INTERCHANGEABLE
SWITCH,ROTARY
1JRBA15
5950-00-648-2799INTERCHANGEABLE
SATURABLE REACTOR
2187
5930-00-786-1857INTERCHANGEABLE
SWITCH,ROTARY
5330-00-825-3458INTERCHANGEABLE
GASKET
99129797
5360-00-941-3739INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14210
6240-00-949-8106INTERCHANGEABLE
LAMP,INCANDESCENT
2140-0037
5905-01-129-7346INTERCHANGEABLE
RESISTOR
2187
3825-01-198-9251INTERCHANGEABLE
DISTRIBUTOR,WATER,TANK TYPE
2187

Frequently Asked Questions

What is NSN 5330-00-178-6393?

NSN 5330-00-178-6393 is a Seal,plain Encased, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-178-6393?

NSN 5330-00-178-6393 has 10 cross-referenced part numbers: E37030-3PC26 (Eaton Aerospace, Llc Dba Jackson South), 2187 (Eaton Aerospace, Llc Dba Jackson South), 34303-7PC26 (Eaton Aerospace, Llc Dba Jackson South), E37030-7PC26 (Eaton Aerospace, Llc Dba Jackson South), 29797 (Eaton Aerospace, Llc Dba Jackson South) and 5 more.

What NSN replaces 5330-00-178-6393?

There are 12 known substitutes for 5330-00-178-6393: 5325-00-281-1557, 1680-00-517-8388, 5305-00-527-3463 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E37030-3PC26?

Key specifications for E37030-3PC26: Case Style: SQUARE; Housing Bore Diameter: 4.500 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Seal Width: 0.562 INCHES NOMINAL IN. 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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