PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7B5425Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-00-291-1658 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-1658 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-1658. Primary manufacturer part number: 7B5425.
Features
  • Seal,plain Encased — FSC 5330
  • 3 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-291-1658, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,plain Encased
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersChief of Engineers Dept of Army (CAGE 81336); Federal-Mogul Corp Chassis Products Div (CAGE 76680); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN5330-00-291-1658
Primary Part Number7B5425
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6740-00-137-024735-147 INTERCHANGEABLE
Blade Set,upper Rig
Maier-Hancock Industries
5330-00-543-6798 INTERCHANGEABLE
Gasket
5330-00-585-6643 INTERCHANGEABLE
Seal,plain Encased
4810-01-051-294635147 INTERCHANGEABLE
Stop
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5998-01-372-037235147 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Cross-Reference Index
Part NumberManufacturer
5330-079001-1 Chief of Engineers Dept of Army (USA)
35147 Federal-Mogul Corp Chassis Products Div (USA)
7B5425 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
6740-00-137-0247INTERCHANGEABLE
BLADE SET,UPPER RIG
35-147
5330-00-543-6798INTERCHANGEABLE
GASKET
5330-00-585-6643INTERCHANGEABLE
SEAL,PLAIN ENCASED
4810-01-051-2946INTERCHANGEABLE
STOP
35147
5998-01-372-0372INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
35147

Frequently Asked Questions

What is NSN 5330-00-291-1658?

NSN 5330-00-291-1658 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-1658?

NSN 5330-00-291-1658 has 3 cross-referenced part numbers: 5330-079001-1 (Chief of Engineers Dept of Army), 35147 (Federal-Mogul Corp Chassis Products Div), 7B5425 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5330-00-291-1658?

There are 5 known substitutes for 5330-00-291-1658: 6740-00-137-0247, 5330-00-543-6798, 5330-00-585-6643 and 2 more. Verify interchangeability with system specifications before substitution.

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