PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2731Seal,plain Encased

Federal-Mogul Corp Fel-Pro Gasket Div · NSN 5330-00-383-4735 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-383-4735 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-383-4735. Primary manufacturer part number: S2731.
Features
  • Seal,plain Encased — FSC 5330
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Housing Bore Diameter: 2.780 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-383-4735, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Fel-Pro Gasket Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 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
NSN5330-00-383-4735
Primary Part NumberS2731
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Fel-Pro Gasket Div
StatusCANCELLED
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
MaterialSTEEL CASE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.250 INCHES NOMINAL IN
Case StyleSQUARE
Housing Bore Diameter2.780 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-042-7137 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5999-00-084-24764336-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
General Microwave Corporation Div Kratos Microwave Electronics
3110-00-100-0683749 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5935-00-149-2682262-11-06-030 INTERCHANGEABLE
Connector,plug,electrical
Cinch Connectivity Solutions Inc.
5310-00-208-9964 INTERCHANGEABLE
Nut,plain,hexagon
5340-00-329-1679 INTERCHANGEABLE
Clamp,loop
5970-00-482-6279 INTERCHANGEABLE
Insulator,disk
3110-00-554-5967307 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3020-00-580-3065R875B11 INTERCHANGEABLE
Gear,spur
Dorer Engineering Inc Dba O J Rodgers Company
5310-00-637-3861100407 INTERCHANGEABLE
Washer,flat
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
43-361 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
84366 Fitzgerald Gasket a Co of Tannetics Inc (USA)
S2731 PRIMARY Federal-Mogul Corp Fel-Pro Gasket Div (USA)
278G128 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
49249 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
40105 Federal-Mogul Corp Chassis Products Div (USA)
07-100407 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
43-361 Federal-Mogul Corp Chassis Products Div (USA)
972E20 Clark Equipment Co (USA)
40105 Federal-Mogul Corp Government Sales Dept (USA)
100407 PRIMARY Dana Off Highway Products, Llc (USA)
972E20 PRIMARY Clark Material Handling Company (USA)
07-100407 Tvh Parts Co. (USA)
07-972E20 Tvh Parts Co. (USA)
07-972E20 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
Related Parts
4820-00-042-7137INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5999-00-084-2476INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
4336-1
3110-00-100-0683INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
749
5935-00-149-2682INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
262-11-06-030
5310-00-208-9964INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5340-00-329-1679INTERCHANGEABLE
CLAMP,LOOP
5970-00-482-6279INTERCHANGEABLE
INSULATOR,DISK
3110-00-554-5967INTERCHANGEABLE
BEARING,BALL,ANNULAR
307
3020-00-580-3065INTERCHANGEABLE
GEAR,SPUR
R875B11
5310-00-637-3861INTERCHANGEABLE
WASHER,FLAT
100407
5930-00-764-0861INTERCHANGEABLE
SWITCH,SLIDE
100407
5940-01-008-6463INTERCHANGEABLE
TERMINAL BOARD
100407

Frequently Asked Questions

What is NSN 5330-00-383-4735?

NSN 5330-00-383-4735 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Fel-Pro Gasket Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-383-4735?

NSN 5330-00-383-4735 has 15 cross-referenced part numbers: 43-361 (Federal-Mogul Corp Sealing Products Group Van Wert Plant), 84366 (Fitzgerald Gasket a Co of Tannetics Inc), S2731 (Federal-Mogul Corp Fel-Pro Gasket Div), 278G128 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 49249 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products) and 10 more.

What NSN replaces 5330-00-383-4735?

There are 12 known substitutes for 5330-00-383-4735: 4820-00-042-7137, 5999-00-084-2476, 3110-00-100-0683 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S2731?

Key specifications for S2731: Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT; Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN; Material: STEEL CASE; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-383-4735 still in active supply?

NSN 5330-00-383-4735 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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