PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1561910Seal,plain Encased

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5330-00-725-8556 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-725-8556 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-725-8556. Primary manufacturer part number: 1561910.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.752 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Outside Diameter: 1.756 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
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 5330-00-725-8556, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-725-8556
Primary Part Number1561910
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Housing Bore Diameter1.752 INCHES NOMINAL IN
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Outside Diameter1.756 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Case StyleSQUARE
Seal Width0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-009-51326205-5 INTERCHANGEABLE
Bearing,ball,annular
Torrington Company Ltd
2910-00-125-71031433981 INTERCHANGEABLE
Nozzle
Westinghouse Electric Corp
5133-00-262-2167 INTERCHANGEABLE
Drill,twist
5315-00-726-4659123-69 INTERCHANGEABLE
Key,machine
Avionics Specialties, Inc.
5950-01-052-929812369 INTERCHANGEABLE
Transformer,audio Frequency
Standex Electronics, Inc.
4820-01-198-0886N12369 INTERCHANGEABLE
Disk,nozzle,diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
5998-01-320-3220 INTERCHANGEABLE
Circuit Card Assembly
2910-01-566-7713 INTERCHANGEABLE
Tank,fuel,engine
6545-01-576-6800UA 329B INTERCHANGEABLE
Medical Resupply Set,patient Hol
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
5310-01-651-916262055 INTERCHANGEABLE
Washer,split
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
62055-W Zf Industrieantriebe Witten Gmbh (DEU)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
62055 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
1561910 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
12369 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
175HM18 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
5090-32 PRIMARY Brad Foote Gear Works Inc (USA)
Related Parts
3110-00-009-5132INTERCHANGEABLE
BEARING,BALL,ANNULAR
6205-5
2910-00-125-7103INTERCHANGEABLE
NOZZLE
1433981
5133-00-262-2167INTERCHANGEABLE
DRILL,TWIST
5315-00-726-4659INTERCHANGEABLE
KEY,MACHINE
123-69
5950-01-052-9298INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
12369
4820-01-198-0886INTERCHANGEABLE
DISK,NOZZLE,DIAPHRAGM
N12369
5998-01-320-3220INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2910-01-566-7713INTERCHANGEABLE
TANK,FUEL,ENGINE
6545-01-576-6800INTERCHANGEABLE
MEDICAL RESUPPLY SET,PATIENT HOL
UA 329B
5310-01-651-9162INTERCHANGEABLE
WASHER,SPLIT
62055

Frequently Asked Questions

What is NSN 5330-00-725-8556?

NSN 5330-00-725-8556 is a Seal,plain Encased, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-725-8556?

NSN 5330-00-725-8556 has 7 cross-referenced part numbers: 62055-W (Zf Industrieantriebe Witten Gmbh), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 62055 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 1561910 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 12369 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 2 more.

What NSN replaces 5330-00-725-8556?

There are 10 known substitutes for 5330-00-725-8556: 3110-00-009-5132, 2910-00-125-7103, 5133-00-262-2167 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1561910?

Key specifications for 1561910: Housing Bore Diameter: 1.752 INCHES NOMINAL IN; Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Outside Diameter: 1.756 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-725-8556 still in active supply?

NSN 5330-00-725-8556 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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