PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

262992R91Seal,plain Encased

Komatsu American Intl Co · NSN 5330-00-290-6405 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-290-6405 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-290-6405. Primary manufacturer part number: 262992R91.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 7.500 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Diameter: 6.000 INCHES NOMINAL IN
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 5330-00-290-6405, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Komatsu American Intl Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-290-6405
Primary Part Number262992R91
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerKomatsu American Intl Co
StatusCANCELLED
Sealing Element StyleANGULAR
Housing Bore Diameter7.500 INCHES NOMINAL IN
MaterialSTEEL CASE
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Diameter6.000 INCHES NOMINAL IN
Seal Width0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2010-00-363-750118438 INTERCHANGEABLE
Transmission
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5905-00-401-7432 INTERCHANGEABLE
Resistor,fixed,film
4930-00-913-70613113 M21 INTERCHANGEABLE
Gun,fluid,direct Delivery
Astro Chemical Company, Inc. Dba Astro Chemical Co
1420-00-932-8358102525 INTERCHANGEABLE
Shield,magnetic
Massachusetts Institute of Technology
6625-01-022-5261102525 INTERCHANGEABLE
Ammeter
Caes Mission Systems Llc
5998-01-030-6044102525 INTERCHANGEABLE
Electronic Components Assembly
Aimtron Systems, Llc
5360-01-037-6447102.52-5 INTERCHANGEABLE
Spring,helical,compression
Ward Leonard Ct Llc
6625-01-260-1804 INTERCHANGEABLE
Meter,special Scale
4720-01-308-27181025-25 INTERCHANGEABLE
Hose Assembly,nonmetallic
Aqualung Usa, Inc
5998-01-338-5297102525-001 INTERCHANGEABLE
Circuit Card Assembly
Sierra Nevada Company, Llc Dba Sierra Nevada Corp
Cross-Reference Index
Part NumberManufacturer
262992R91 Komatsu American Intl Co (USA)
262992R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
R18438 Komatsu America Corporation (USA)
259895R92 Navistar International Corporation Dba Navistar (USA)
BM1424 Cooper Cameron Corp Ajax-Superior Div (USA)
262992R91 Navistar International Corporation Dba Navistar (USA)
18438 Komatsu America Corporation (USA)
102-525 Cooper Cameron Corp Ajax-Superior Div (USA)
Related Parts
2010-00-363-7501INTERCHANGEABLE
TRANSMISSION
18438
5905-00-401-7432INTERCHANGEABLE
RESISTOR,FIXED,FILM
4930-00-913-7061INTERCHANGEABLE
GUN,FLUID,DIRECT DELIVERY
3113 M21
1420-00-932-8358INTERCHANGEABLE
SHIELD,MAGNETIC
102525
6625-01-022-5261INTERCHANGEABLE
AMMETER
102525
5998-01-030-6044INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
102525
5360-01-037-6447INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
102.52-5
6625-01-260-1804INTERCHANGEABLE
METER,SPECIAL SCALE
4720-01-308-2718INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
1025-25
5998-01-338-5297INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
102525-001
5950-01-357-7445INTERCHANGEABLE
REACTOR
18438
4730-01-467-6242INTERCHANGEABLE
REDUCER,TUBE
SS-200-R-1

Frequently Asked Questions

What is NSN 5330-00-290-6405?

NSN 5330-00-290-6405 is a Seal,plain Encased, manufactured by Komatsu American Intl Co, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-290-6405?

NSN 5330-00-290-6405 has 8 cross-referenced part numbers: 262992R91 (Komatsu American Intl Co), 262992R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), R18438 (Komatsu America Corporation), 259895R92 (Navistar International Corporation Dba Navistar), BM1424 (Cooper Cameron Corp Ajax-Superior Div) and 3 more.

What NSN replaces 5330-00-290-6405?

There are 12 known substitutes for 5330-00-290-6405: 2010-00-363-7501, 5905-00-401-7432, 4930-00-913-7061 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 262992R91?

Key specifications for 262992R91: Sealing Element Style: ANGULAR; Housing Bore Diameter: 7.500 INCHES NOMINAL IN; Material: STEEL CASE; Case Style: SQUARE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-290-6405 still in active supply?

NSN 5330-00-290-6405 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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