5056

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WASHER,FLAT

SPARTON CORPORATION DIV SPARTON ELECTRONICSATA 20

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Documentation

General information based on part classification, not a certification determination. Your operator's quality manual governs.

OEM / Production Approval Holder Part8130-3 Eligible

What to ask the seller for

  • FAA Form 8130-3 from the PAH or an authorized release traceable to the PAH
  • Manufacturer's CofC if a Form 8130-3 was not issued

Governing reference: FAA Order 8130.21J

PMA Alternatives1 found

PMA Part #ManufacturerSupplementApprovedSource
505-6
Bearing
Kamatics Corp51996-03-30—

Supplemental Type Certificates2 found

FAA-approved modifications that reference this part number

ST02947AT-D ↗Gulfstream Aerospace Corporation
Rev: 2005-03-21

Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Gulfstream GV-SP, Serial Number 5056. This STC does not permit manufacturing of parts for multiple installations.

Aircraft: GV-SP

ST00911SE ↗Garmin AT Inc.
Rev: 2004-03-04

Installation of Automatic Dependent Surveillance-Broadcast (ADS-B) and Cockpit Display of Traffic Information (CDTI) System in accordance with Master Data List 560-5056-00, Revision A, dated April 2, 2001, or later FAA approved revision.

Aircraft: 757-200 Series

Airworthiness Directives

Synced 40 days ago (09/27/2026)

No Active Airworthiness Directives

No FAA or EASA ADs are linked to this part number. Always verify against the aircraft's maintenance records before install.

Service Difficulty Reports

No Service Difficulty Reports

No failure reports found for this part number in the FAA SDR database.

Suspect-Parts Alerts (SUP/UPN)

No Suspect-Parts Alerts

This manufacturer is not named in any active FAA Suspect Unapproved Parts (SUP/UPN) notification.

NSN Cross-References1 NSN — DLA WebFLIS

National Stock Numbers assigned to this part number by the U.S. Defense Logistics Agency

NSNStandardized NameFSCDLA List Price (gov't catalog)CAGE / Manufacturer
5310-00-919-3871WASHER,FLAT5310—82268SPARTON CORPORATION DIV SPARTON ELECTRONICS

DLA PUBLOG published list price — government procurement catalog, not a commercial market price. Prices may differ from current commercial availability.

Government Award Prices

U.S. government contract award prices from FPDS — unit prices for NSN purchases by DoD/DLA agencies

No government contract award price data found for this part number.

Identifiers

Manufacturer

SPARTON CORPORATION DIV SPARTON ELECTRONICS

Source

DLA WebFLIS

ATA Chapter

20

Type

OEM

Part ID: nsn:5056 | Source: DLA WebFLIS | Last updated: 2026-11-07