PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61851Seal,plain Encased

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 5330-01-124-8972 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-124-8972 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-124-8972. Primary manufacturer part number: 61851.
Features
  • Seal,plain Encased — FSC 5330
  • Attachment Method: ROUND HOLE
  • Accommodated Shaft Diameter: 0.531 INCHES NOMINAL IN
  • Housing Bore Diameter: 0.812 INCHES NOMINAL IN
  • Sealing Element Style: VERTICAL
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
  • Case Style: SQUARE
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 5330-01-124-8972, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-124-8972
Primary Part Number61851
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac Div Eaton
StatusACTIVE
Attachment MethodROUND HOLE
Accommodated Shaft Diameter0.531 INCHES NOMINAL IN
Housing Bore Diameter0.812 INCHES NOMINAL IN
Sealing Element StyleVERTICAL
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-166-3448AFB-1-AA INTERCHANGEABLE
Adapter,connector
Ted Manufacturing Corp Div Ted Manufacturing Corporation
5930-00-492-3272618-5-1 INTERCHANGEABLE
Switch,push
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5935-00-577-2524HR59J INTERCHANGEABLE
Socket,plug-in Electronic Compon
Armel De Llc Dba Armel Electronics
1220-00-590-60981225803 INTERCHANGEABLE
Board Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
61851 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
63355PC16 Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
61851N1 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5935-00-166-3448INTERCHANGEABLE
ADAPTER,CONNECTOR
AFB-1-AA
5930-00-492-3272INTERCHANGEABLE
SWITCH,PUSH
618-5-1
5935-00-577-2524INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
HR59J
1220-00-590-6098INTERCHANGEABLE
BOARD ASSY
1225803

Frequently Asked Questions

What is NSN 5330-01-124-8972?

NSN 5330-01-124-8972 is a Seal,plain Encased, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-124-8972?

NSN 5330-01-124-8972 has 3 cross-referenced part numbers: 61851 (Eaton Corporation Dba Eaton Inoac Div Eaton), 63355PC16 (Eaton Corporation Dba Eaton Inoac Div Eaton), 61851N1 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5330-01-124-8972?

There are 4 known substitutes for 5330-01-124-8972: 5935-00-166-3448, 5930-00-492-3272, 5935-00-577-2524 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61851?

Key specifications for 61851: Attachment Method: ROUND HOLE; Accommodated Shaft Diameter: 0.531 INCHES NOMINAL IN; Housing Bore Diameter: 0.812 INCHES NOMINAL IN; Sealing Element Style: VERTICAL. 7 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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