PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26 32121Seal,plain Encased

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5330-00-789-7495 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-789-7495 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-789-7495. Primary manufacturer part number: 26 32121.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Housing Bore Diameter: 0.999 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN
  • Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Sealing Element Style: VERTICAL
  • Outside Diameter: 1.004 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-636 FED SPEC SINGLE MATERIAL RESPONSE CASE
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 5330-00-789-7495, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-789-7495
Primary Part Number26 32121
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusCANCELLED
Case StyleSQUARE
Housing Bore Diameter0.999 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN
Maximum Pressure Rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
Sealing Element StyleVERTICAL
Outside Diameter1.004 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-636 FED SPEC SINGLE MATERIAL RESPONSE CASE
Accommodated Shaft Maximum Rated Speed1000 FEET PER MINUTE FT
Material Document and ClassificationASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
Seal Width0.125 INCHES NOMINAL IN
MaterialSTEEL COMP 1017 CASE
Accommodated Shaft Diameter0.748 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5340-00-842-532361525 INTERCHANGEABLE
Plug,protective,dust and Moistur
Eaton Aerospace, Llc Dba Jackson South
7040-00-993-6367 INTERCHANGEABLE
Gate,stacker Select
5840-01-029-1504615-2-5 INTERCHANGEABLE
Top Support
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
1290-01-037-1119 INTERCHANGEABLE
Lens Assembly
5935-01-226-42765M2411-001 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
6510-01-652-7215 INTERCHANGEABLE
Applicator,compound Benzoin Tinc
Cross-Reference Index
Part NumberManufacturer
26 32121 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
135754 Johnson and Bassett Inc (USA)
A32309 Cnh Industrial America Llc Dba Cnh America (USA)
10395450 PRIMARY Us Army Aviation and Missile Command (USA)
A3002111 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
71X7027 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
B26-35025 Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
65457C1 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
135615 ITEM 8 Johnson and Bassett Inc (USA)
B100-48-2 Trostel Albert Packing Ltd (USA)
61525 Desa Industries Inc Div of Amca International Corp (USA)
7410 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
CR7410 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
135617 (C2) ITE Johnson and Bassett Inc (USA)
Related Parts
5340-00-842-5323INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
61525
7040-00-993-6367INTERCHANGEABLE
GATE,STACKER SELECT
5840-01-029-1504INTERCHANGEABLE
TOP SUPPORT
615-2-5
1290-01-037-1119INTERCHANGEABLE
LENS ASSEMBLY
5935-01-226-4276INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5M2411-001
6510-01-652-7215INTERCHANGEABLE
APPLICATOR,COMPOUND BENZOIN TINC

Frequently Asked Questions

What is NSN 5330-00-789-7495?

NSN 5330-00-789-7495 is a Seal,plain Encased, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-789-7495?

NSN 5330-00-789-7495 has 14 cross-referenced part numbers: 26 32121 (Brunswick Corp Dba Mercury Marine Div Mercury Marine), 135754 (Johnson and Bassett Inc), A32309 (Cnh Industrial America Llc Dba Cnh America), 10395450 (Us Army Aviation and Missile Command), A3002111 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 9 more.

What NSN replaces 5330-00-789-7495?

There are 6 known substitutes for 5330-00-789-7495: 5340-00-842-5323, 7040-00-993-6367, 5840-01-029-1504 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26 32121?

Key specifications for 26 32121: Case Style: SQUARE; Housing Bore Diameter: 0.999 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN; Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS; Sealing Element Style: VERTICAL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-789-7495 still in active supply?

NSN 5330-00-789-7495 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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