PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1756016Seal,plain Encased

Naval Ship Systems Command · NSN 5330-00-559-3680 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-559-3680 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-559-3680. Primary manufacturer part number: 1756016.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Seal Width: 0.468 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Material: LEATHER SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-559-3680, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-559-3680
Primary Part Number1756016
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter2.125 INCHES NOMINAL IN
Case StyleSQUARE
Seal Width0.468 INCHES NOMINAL IN
MaterialSTEEL CASE
Sealing Element StyleANGULAR
MaterialLEATHER SEALING ELEMENT
Surface TreatmentCADMIUM OR ZINC CASE
Housing Bore Diameter2.870 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-113-3882 INTERCHANGEABLE
Washer,lock
7510-00-183-76987510-00-183-7698 INTERCHANGEABLE
Ink,marking Stencil
National Industries for the Blind
5210-00-229-304779B-4 INTERCHANGEABLE
Caliper,outside
L.s. Starrett Company (the) Div Tool Division
5330-00-292-1605115687H INTERCHANGEABLE
Seal,plain Encased
Navistar Intl Corp Truck Br Ohio Plant
5815-00-356-3311 INTERCHANGEABLE
Arm
4730-00-474-6834 INTERCHANGEABLE
Packing Nut
5310-01-049-1711 INTERCHANGEABLE
Washer,flat
5950-01-228-5450 INTERCHANGEABLE
Transformer,radio Frequency
4820-01-537-541350365 INTERCHANGEABLE
Valve,check
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
50365 Federal-Mogul Corp Chassis Products Div (USA)
1756016 PRIMARY Naval Ship Systems Command (USA)
Related Parts
5310-00-113-3882INTERCHANGEABLE
WASHER,LOCK
7510-00-183-7698INTERCHANGEABLE
INK,MARKING STENCIL
7510-00-183-7698
5210-00-229-3047INTERCHANGEABLE
CALIPER,OUTSIDE
79B-4
5330-00-292-1605INTERCHANGEABLE
SEAL,PLAIN ENCASED
115687H
5815-00-356-3311INTERCHANGEABLE
ARM
4730-00-474-6834INTERCHANGEABLE
PACKING NUT
5310-01-049-1711INTERCHANGEABLE
WASHER,FLAT
5950-01-228-5450INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4820-01-537-5413INTERCHANGEABLE
VALVE,CHECK
50365

Frequently Asked Questions

What is NSN 5330-00-559-3680?

NSN 5330-00-559-3680 is a Seal,plain Encased, manufactured by Naval Ship Systems Command, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-559-3680?

NSN 5330-00-559-3680 has 2 cross-referenced part numbers: 50365 (Federal-Mogul Corp Chassis Products Div), 1756016 (Naval Ship Systems Command).

What NSN replaces 5330-00-559-3680?

There are 9 known substitutes for 5330-00-559-3680: 5310-00-113-3882, 7510-00-183-7698, 5210-00-229-3047 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1756016?

Key specifications for 1756016: Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN; Case Style: SQUARE; Seal Width: 0.468 INCHES NOMINAL IN. 9 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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