PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154-0178Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-01-514-6142 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-514-6142 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-514-6142. Primary manufacturer part number: 154-0178.
Features
  • Seal,plain Encased — FSC 5330
  • Reference Data and Literature: 191-8528,SMCS-1201,I01701871,CYLINDER BLOCK
  • FSC Application Data: CYLINDER BLOCK 191-8528
  • 1 verified cross-reference
  • 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 5330-01-514-6142, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5330-01-514-6142
Primary Part Number154-0178
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Reference Data and Literature191-8528,SMCS-1201,I01701871,CYLINDER BLOCK
FSC Application DataCYLINDER BLOCK 191-8528
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-00-681-9837G54950 INTERCHANGEABLE
Relay,electromagnetic
Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co
Cross-Reference Index
Part NumberManufacturer
154-0178 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5945-00-681-9837INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
G54950

Frequently Asked Questions

What is NSN 5330-01-514-6142?

NSN 5330-01-514-6142 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 5330-01-514-6142?

NSN 5330-01-514-6142 has 1 cross-referenced part number: 154-0178 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5330-01-514-6142?

There is 1 known substitute for 5330-01-514-6142: 5945-00-681-9837. Verify interchangeability with system specifications before substitution.

What are the specifications of 154-0178?

Key specifications for 154-0178: Part Name Assigned by Controlling Agency: SEAL; Reference Data and Literature: 191-8528,SMCS-1201,I01701871,CYLINDER BLOCK; FSC Application Data: CYLINDER BLOCK 191-8528. 3 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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