PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50571Seal,plain Encased

Federal-Mogul Corp Chassis Products Div · NSN 5330-00-489-0976 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-489-0976 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-489-0976. Primary manufacturer part number: 50571.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL COMP 1018 CASE
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 2.000 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Housing Bore Diameter: 3.251 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Comp 1018 Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-489-0976, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-489-0976
Primary Part Number50571
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Chassis Products Div
StatusACTIVE
MaterialSTEEL COMP 1018 CASE
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
Seal Width0.500 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Accommodated Shaft Diameter2.000 INCHES NOMINAL IN
Case StyleSQUARE
Housing Bore Diameter3.251 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-205-637716381-15-1 INTERCHANGEABLE
Spring,helical,compression
Ward Leonard Ct Llc
5340-00-356-3364 INTERCHANGEABLE
Bracket,angle
3120-00-386-3510CL3110 INTERCHANGEABLE
Bearing,sleeve
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
6105-00-735-974650567-1 INTERCHANGEABLE
Parts Kit,electric Motor
Meggitt North Hollywood Inc
5940-00-980-8075 INTERCHANGEABLE
Terminal,lug
1650-01-664-621250571 INTERCHANGEABLE
Valve,fluid Pressure Regulating,
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5340-01-670-34045057-1 INTERCHANGEABLE
Rod,straight,headless
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
50571 Federal-Mogul Corp Chassis Products Div (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
1421D158-14 Aero Energy Systems Inc (USA)
Related Parts
5360-00-205-6377INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
16381-15-1
5340-00-356-3364INTERCHANGEABLE
BRACKET,ANGLE
3120-00-386-3510INTERCHANGEABLE
BEARING,SLEEVE
CL3110
6105-00-735-9746INTERCHANGEABLE
PARTS KIT,ELECTRIC MOTOR
50567-1
5940-00-980-8075INTERCHANGEABLE
TERMINAL,LUG
1650-01-664-6212INTERCHANGEABLE
VALVE,FLUID PRESSURE REGULATING,
50571
5340-01-670-3404INTERCHANGEABLE
ROD,STRAIGHT,HEADLESS
5057-1

Frequently Asked Questions

What is NSN 5330-00-489-0976?

NSN 5330-00-489-0976 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 5330-00-489-0976?

NSN 5330-00-489-0976 has 3 cross-referenced part numbers: 50571 (Federal-Mogul Corp Chassis Products Div), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 1421D158-14 (Aero Energy Systems Inc).

What NSN replaces 5330-00-489-0976?

There are 7 known substitutes for 5330-00-489-0976: 5360-00-205-6377, 5340-00-356-3364, 3120-00-386-3510 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50571?

Key specifications for 50571: Material: STEEL COMP 1018 CASE; Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT; Seal Width: 0.500 INCHES NOMINAL IN; Sealing Element Style: ANGULAR. 7 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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