PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20018Seal,plain Encased

Federal-Mogul Corp Chassis Products Div · NSN 5330-00-260-8787 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-260-8787 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-260-8787. Primary manufacturer part number: 20018.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.250 INCHES NOMINAL IN
  • Seal Width: 0.531 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Case Style: SQUARE
  • Material: LEATHER SEALING ELEMENT B
  • Accommodated Shaft Diameter: 0.625 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
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 5330-00-260-8787, 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 Chassis Products Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-260-8787
Primary Part Number20018
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Chassis Products Div
StatusACTIVE
Housing Bore Diameter1.250 INCHES NOMINAL IN
Seal Width0.531 INCHES NOMINAL IN
MaterialSTEEL CASE
Case StyleSQUARE
MaterialLEATHER SEALING ELEMENT B
Accommodated Shaft Diameter0.625 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialLEATHER SEALING ELEMENT A
Sealing Element StyleANGULAR-OPPOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-600114138A14274 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5330-00-178-4738150-4N INTERCHANGEABLE
Seal,plain Encased
Harbormaster Marine, Inc
5133-00-189-9253 INTERCHANGEABLE
Drill,twist
5133-00-189-9308 INTERCHANGEABLE
Drill,twist
3020-00-239-8231 INTERCHANGEABLE
Link,roller Chain
5930-00-446-9124266-5408-010 INTERCHANGEABLE
Switch,toggle
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3455-00-596-512219606 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
2640-00-756-159557524-00 INTERCHANGEABLE
Valve Core
Avox Systems Inc Dba Avox Systems Inc
7490-00-925-194420018 INTERCHANGEABLE
Pulleyxdrivex0s
Pitney Bowes Inc.
5940-00-983-6059 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
20018 Federal-Mogul Corp Chassis Products Div (USA)
Related Parts
3110-00-100-6001INTERCHANGEABLE
BEARING,ROLLER,TAPERED
14138A14274
5330-00-178-4738INTERCHANGEABLE
SEAL,PLAIN ENCASED
150-4N
5133-00-189-9253INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9308INTERCHANGEABLE
DRILL,TWIST
3020-00-239-8231INTERCHANGEABLE
LINK,ROLLER CHAIN
5930-00-446-9124INTERCHANGEABLE
SWITCH,TOGGLE
266-5408-010
3455-00-596-5122INTERCHANGEABLE
REAMER,MACHINE
19606
2640-00-756-1595INTERCHANGEABLE
VALVE CORE
57524-00
7490-00-925-1944INTERCHANGEABLE
PULLEYXDRIVEX0S
20018
5940-00-983-6059INTERCHANGEABLE
TERMINAL BOARD
3110-01-012-7232INTERCHANGEABLE
BEARING,BALL,ANNULAR
2540-01-024-1660INTERCHANGEABLE
REFILL BLADE,WIPER
1028

Frequently Asked Questions

What is NSN 5330-00-260-8787?

NSN 5330-00-260-8787 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Chassis Products Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-260-8787?

NSN 5330-00-260-8787 has 1 cross-referenced part number: 20018 (Federal-Mogul Corp Chassis Products Div).

What NSN replaces 5330-00-260-8787?

There are 12 known substitutes for 5330-00-260-8787: 3110-00-100-6001, 5330-00-178-4738, 5133-00-189-9253 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20018?

Key specifications for 20018: Housing Bore Diameter: 1.250 INCHES NOMINAL IN; Seal Width: 0.531 INCHES NOMINAL IN; Material: STEEL CASE; Case Style: SQUARE. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com