PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

383394R91Seal,plain Encased

Navistar International Corporation Dba Navistar · NSN 5330-00-891-6986 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-891-6986 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-891-6986. Primary manufacturer part number: 383394R91.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: RECESSED
  • Sealing Element Style: VERTICAL
  • Temp Rating: -65.0 CELSIUS AND 225.0 CELSIUS DEGC
  • Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT
  • Outside Diameter: 3.505 INCHES NOMINAL IN
  • Housing Bore Diameter: 3.500 INCHES NOMINAL IN
  • Material: STEEL CASE
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 5330-00-891-6986, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar International Corporation Dba Navistar. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-891-6986
Primary Part Number383394R91
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavistar International Corporation Dba Navistar
StatusCANCELLED
Case StyleRECESSED
Sealing Element StyleVERTICAL
Temp Rating-65.0 CELSIUS AND 225.0 CELSIUS DEGC
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
Outside Diameter3.505 INCHES NOMINAL IN
Housing Bore Diameter3.500 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Surface TreatmentPLASTIC CASE
Attachment MethodCEMENTED
Accommodated Shaft Diameter2.750 INCHES NOMINAL IN
Seal Width0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-176-519626269 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5133-00-232-8135 INTERCHANGEABLE
Drill,twist
5331-00-494-211327269 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4730-01-185-83359J9010 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
383394R91 Navistar International Corporation Dba Navistar (USA)
383394R91 International Harvester Co Agricultural Equipment Div (USA)
27269 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
732384 Meritor Specialty Products Llc (USA)
383394R91 Federal-Mogul Corp Government Sales Dept (USA)
1663101C1 Zf Industrieantriebe Witten Gmbh (DEU)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
383394R91 Komatsu American Intl Co (USA)
383394R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
Related Parts
5330-00-176-5196INTERCHANGEABLE
GASKET
26269
5133-00-232-8135INTERCHANGEABLE
DRILL,TWIST
5331-00-494-2113INTERCHANGEABLE
O-RING
27269
4730-01-185-8335INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
9J9010

Frequently Asked Questions

What is NSN 5330-00-891-6986?

NSN 5330-00-891-6986 is a Seal,plain Encased, manufactured by Navistar International Corporation Dba Navistar, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-891-6986?

NSN 5330-00-891-6986 has 9 cross-referenced part numbers: 383394R91 (Navistar International Corporation Dba Navistar), 383394R91 (International Harvester Co Agricultural Equipment Div), 27269 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 732384 (Meritor Specialty Products Llc), 383394R91 (Federal-Mogul Corp Government Sales Dept) and 4 more.

What NSN replaces 5330-00-891-6986?

There are 4 known substitutes for 5330-00-891-6986: 5330-00-176-5196, 5133-00-232-8135, 5331-00-494-2113 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 383394R91?

Key specifications for 383394R91: Case Style: RECESSED; Sealing Element Style: VERTICAL; Temp Rating: -65.0 CELSIUS AND 225.0 CELSIUS DEGC; Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-891-6986 still in active supply?

NSN 5330-00-891-6986 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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