PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

273580R91Seal,plain Encased

Navistar International Corporation Dba Navistar · NSN 5330-00-178-4620 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-4620 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-4620. Primary manufacturer part number: 273580R91.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.391 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: LEATHER SEALING ELEMENT
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 1.499 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 0.875 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-178-4620, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 15 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
NSN5330-00-178-4620
Primary Part Number273580R91
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavistar International Corporation Dba Navistar
StatusCANCELLED
Seal Width0.391 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialLEATHER SEALING ELEMENT
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Housing Bore Diameter1.499 INCHES NOMINAL IN
Accommodated Shaft Diameter0.875 INCHES NOMINAL IN
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-013-1282 INTERCHANGEABLE
Lamp,incandescent
3110-00-155-62001006-5 INTERCHANGEABLE
Bearing,ball,annular
Linde Material Handling North America Corporation
3120-00-177-3100443P INTERCHANGEABLE
Bearing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5133-00-189-9273 INTERCHANGEABLE
Drill,twist
5815-00-228-6752SC-C-69992-11 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-399-6935VT3394 INTERCHANGEABLE
Gasket
Cnh Industrial America Llc Dba Cnh America
5310-00-403-154215028 INTERCHANGEABLE
Nut,plain,hexagon
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
4820-00-507-541350032 INTERCHANGEABLE
Seat,valve
Parker Hannifin Corporation Div Hydraulic Systems Division
5330-00-579-58961941870 INTERCHANGEABLE
Gasket
Naval Ship Systems Command
5977-00-590-2123 INTERCHANGEABLE
Brush,electrical Contact
Cross-Reference Index
Part NumberManufacturer
273580R91 Navistar International Corporation Dba Navistar (USA)
273580R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
N25100-45 Christian Engineering (USA)
DE4084 Agco Corp Parts Opn (USA)
2B50 Caterpillar Inc Div Caterpillar Defense (USA)
CKB3407A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
17053D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
426513 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
11100A Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
50032 Federal-Mogul Corp Chassis Products Div (USA)
61-463-4 Dana Corp Spicer Transmission Div (USA)
17053D Navistar International Corporation Dba Navistar (USA)
2B0050 Caterpillar Inc Div Caterpillar Defense (USA)
A3035 Scott Huber Essick a Co of Figgie International Inc (USA)
4304084-9 Agco Corp Parts Opn (USA)
4304084 Agco Corp Parts Opn (USA)
7214850 Lucas Western Inc (USA)
61-463-4 Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
15028 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
6240-00-013-1282INTERCHANGEABLE
LAMP,INCANDESCENT
3110-00-155-6200INTERCHANGEABLE
BEARING,BALL,ANNULAR
1006-5
3120-00-177-3100INTERCHANGEABLE
BEARING,SLEEVE
443P
5133-00-189-9273INTERCHANGEABLE
DRILL,TWIST
5815-00-228-6752INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-11
5330-00-399-6935INTERCHANGEABLE
GASKET
VT3394
5310-00-403-1542INTERCHANGEABLE
NUT,PLAIN,HEXAGON
15028
4820-00-507-5413INTERCHANGEABLE
SEAT,VALVE
50032
5330-00-579-5896INTERCHANGEABLE
GASKET
1941870
5977-00-590-2123INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
6220-00-846-5710INTERCHANGEABLE
SPOTLIGHT
15028
4320-00-962-8637INTERCHANGEABLE
PUMP,ENGINE OIL
3832449

Frequently Asked Questions

What is NSN 5330-00-178-4620?

NSN 5330-00-178-4620 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 5330-00-178-4620?

NSN 5330-00-178-4620 has 22 cross-referenced part numbers: 273580R91 (Navistar International Corporation Dba Navistar), 273580R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), N25100-45 (Christian Engineering), DE4084 (Agco Corp Parts Opn), 2B50 (Caterpillar Inc Div Caterpillar Defense) and 17 more.

What NSN replaces 5330-00-178-4620?

There are 12 known substitutes for 5330-00-178-4620: 6240-00-013-1282, 3110-00-155-6200, 3120-00-177-3100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 273580R91?

Key specifications for 273580R91: Seal Width: 0.391 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Material: LEATHER SEALING ELEMENT; Material: STEEL CASE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-178-4620 still in active supply?

NSN 5330-00-178-4620 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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