PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M56Seal,oil

Fmc Technologies Inc Div Material Handling Solutions · NSN 5330-00-990-2179 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-990-2179 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-990-2179. Primary manufacturer part number: M56.
Features
  • Seal,oil — FSC 5330
  • General Characteristics Item Description: FOR PROPELLER SHAFT,BRONZE,3.000 IN. DIA,1.750 IN. DIACENTER HOLE,PART OF PROPELLER SHAFT,USED ON BOAT,BRIDGE ERECTION,INBOARDENGINE,ALUMINUM HULL,27 FOOT LONG,MODEL HP127C IN
  • 4 verified cross-references
  • Primary manufacturer: Fmc Technologies Inc Div Material Handling Solutions
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,oil, cataloged under National Stock Number 5330-00-990-2179, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fmc Technologies Inc Div Material Handling Solutions. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-990-2179
Primary Part NumberM56
Item NameSeal,oil
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFmc Technologies Inc Div Material Handling Solutions
StatusACTIVE
General Characteristics Item DescriptionFOR PROPELLER SHAFT,BRONZE,3.000 IN. DIA,1.750 IN. DIACENTER HOLE,PART OF PROPELLER SHAFT,USED ON BOAT,BRIDGE ERECTION,INBOARDENGINE,ALUMINUM HULL,27 FOOT LONG,MODEL HP127C IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-980-1985M56 INTERCHANGEABLE
Voltmeter
Fluke Corp
4720-00-990-168526521 INTERCHANGEABLE
Hose,preformed
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
13213E5248 Cecom Lr Center (USA)
M56 PRIMARY Fmc Technologies Inc Div Material Handling Solutions (USA)
13213E5248 Highway Products Inc (USA)
93404-A Wurlitzer Co the (USA)
Related Parts
6625-00-980-1985INTERCHANGEABLE
VOLTMETER
M56
4720-00-990-1685INTERCHANGEABLE
HOSE,PREFORMED
26521

Frequently Asked Questions

What is NSN 5330-00-990-2179?

NSN 5330-00-990-2179 is a Seal,oil, manufactured by Fmc Technologies Inc Div Material Handling Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-990-2179?

NSN 5330-00-990-2179 has 4 cross-referenced part numbers: 13213E5248 (Cecom Lr Center), M56 (Fmc Technologies Inc Div Material Handling Solutions), 13213E5248 (Highway Products Inc), 93404-A (Wurlitzer Co the).

What NSN replaces 5330-00-990-2179?

There are 2 known substitutes for 5330-00-990-2179: 6625-00-980-1985, 4720-00-990-1685. Verify interchangeability with system specifications before substitution.

What are the specifications of M56?

Key specifications for M56: End Item Identification: 19409150079; General Characteristics Item Description: FOR PROPELLER SHAFT,BRONZE,3.000 IN. DIA,1.750 IN. DIACENTER HOLE,PART OF PROPELLER SHAFT,USED ON BOAT,BRIDGE ERECTION,INBOARDENGINE,ALUMINUM HULL,27 FOOT LONG,MODEL HP127C IN. 2 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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