PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

98630R91Seal,plain Encased

Navistar Intl Corp Truck Br Ohio Plant · NSN 5330-00-740-9550 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-740-9550 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-740-9550. Primary manufacturer part number: 98630R91.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SHOULDERED
  • Accommodated Shaft Diameter: 4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
  • Seal Width: 1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT DEGF
  • Housing Bore Diameter: 6.616 INCHES MINIMUM AND 6.618 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
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 5330-00-740-9550, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 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
NSN5330-00-740-9550
Primary Part Number98630R91
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusCANCELLED
Case StyleSHOULDERED
Accommodated Shaft Diameter4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
Seal Width1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT DEGF
Housing Bore Diameter6.616 INCHES MINIMUM AND 6.618 INCHES MAXIMUM IN
Sealing Element StyleANGULAR
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-142-4387453X INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5961-00-214-2359683-2 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Micro Uspd Inc
6645-00-399-4546 INTERCHANGEABLE
Clip
6240-00-436-538958 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
3030-00-528-4264 INTERCHANGEABLE
Belts,v,matched Set
5960-00-543-1904 INTERCHANGEABLE
Electron Tube
5365-00-564-8097302040 INTERCHANGEABLE
Spacer,sleeve
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3110-00-585-4060 INTERCHANGEABLE
Bearing,ball,annular
5935-00-682-0573683-2-11SS INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
2510-01-003-507034832 INTERCHANGEABLE
Shock Absorber,direct Action
Tenneco Inc
Cross-Reference Index
Part NumberManufacturer
KC5141 Diamond Reo Truck Co (USA)
SD1827 Standard Forge and Axle Co Inc (USA)
98630R91 Navistar International Corporation Dba Navistar (USA)
A1205N664 Meritor Industrial Products, Llc (USA)
TDA1205N664 Fruehauf Corp (USA)
5330007409550 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
98630R91 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
7979349 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
6-8-32 PRIMARY Trailmobile Inc Sub of the Pullman Co (USA)
302040 Daf Trucks N.v. (NLD)
811E1141 Kersey / American Lafrance a Div of Figgie International Inc (USA)
A1205N664 Meritor Heavy Vehicle Systems, Llc (USA)
10003725 Brighton Cromwell Llc (USA)
12375801 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1K1540P48 Drs Sustainment Systems Inc (USA)
Related Parts
3110-00-142-4387INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
453X
5961-00-214-2359INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
683-2
6645-00-399-4546INTERCHANGEABLE
CLIP
6240-00-436-5389INTERCHANGEABLE
LAMP,INCANDESCENT
58
3030-00-528-4264INTERCHANGEABLE
BELTS,V,MATCHED SET
5960-00-543-1904INTERCHANGEABLE
ELECTRON TUBE
5365-00-564-8097INTERCHANGEABLE
SPACER,SLEEVE
302040
3110-00-585-4060INTERCHANGEABLE
BEARING,BALL,ANNULAR
5935-00-682-0573INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
683-2-11SS
2510-01-003-5070INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
34832
5961-01-188-8284INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
4730-01-245-0488INTERCHANGEABLE
CLAMP,HOSE,SPECIAL-SHAPED
6832

Frequently Asked Questions

What is NSN 5330-00-740-9550?

NSN 5330-00-740-9550 is a Seal,plain Encased, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-740-9550?

NSN 5330-00-740-9550 has 15 cross-referenced part numbers: KC5141 (Diamond Reo Truck Co), SD1827 (Standard Forge and Axle Co Inc), 98630R91 (Navistar International Corporation Dba Navistar), A1205N664 (Meritor Industrial Products, Llc), TDA1205N664 (Fruehauf Corp) and 10 more.

What NSN replaces 5330-00-740-9550?

There are 12 known substitutes for 5330-00-740-9550: 3110-00-142-4387, 5961-00-214-2359, 6645-00-399-4546 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 98630R91?

Key specifications for 98630R91: Case Style: SHOULDERED; Accommodated Shaft Diameter: 4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN; Seal Width: 1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN; Temp Rating: -65.0 FAHRENHEIT DEGF. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-740-9550 still in active supply?

NSN 5330-00-740-9550 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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