PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50457Seal,plain Encased

Federal-Mogul Corp Government Sales Dept · NSN 5330-00-618-5891 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-618-5891 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-618-5891. Primary manufacturer part number: 50457.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.437 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 0.984 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Material: STEEL CASE
  • Housing Bore Diameter: 1.828 INCHES NOMINAL IN
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 5330-00-618-5891, 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 Government Sales Dept. Government technical data includes 8 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-618-5891
Primary Part Number50457
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusACTIVE
Sealing Element StyleANGULAR
Seal Width0.437 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter0.984 INCHES NOMINAL IN
Case StyleSQUARE
MaterialSTEEL CASE
Housing Bore Diameter1.828 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-268-9690 INTERCHANGEABLE
File,rotary
5950-00-617-3333 INTERCHANGEABLE
Transformer,power
5815-00-980-761850-457 INTERCHANGEABLE
Rack Unit
Motorola Solutions Danmark A/s
4520-01-331-657550457 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
5330-01-392-2760 INTERCHANGEABLE
Gasket
5310-01-708-5171ASME B18.21.1-A2 INTERCHANGEABLE
Washer,flat
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
50457 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
3455-00-268-9690INTERCHANGEABLE
FILE,ROTARY
5950-00-617-3333INTERCHANGEABLE
TRANSFORMER,POWER
5815-00-980-7618INTERCHANGEABLE
RACK UNIT
50-457
4520-01-331-6575INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50457
5330-01-392-2760INTERCHANGEABLE
GASKET
5310-01-708-5171INTERCHANGEABLE
WASHER,FLAT
ASME B18.21.1-A2

Frequently Asked Questions

What is NSN 5330-00-618-5891?

NSN 5330-00-618-5891 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-618-5891?

NSN 5330-00-618-5891 has 1 cross-referenced part number: 50457 (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 5330-00-618-5891?

There are 6 known substitutes for 5330-00-618-5891: 3455-00-268-9690, 5950-00-617-3333, 5815-00-980-7618 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50457?

Key specifications for 50457: Sealing Element Style: ANGULAR; Seal Width: 0.437 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Accommodated Shaft Diameter: 0.984 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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