OBSOLETE

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SYS DATA COMPUTER,A

LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMSATA 25

Where to Buy

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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 Alternatives

No PMA alternatives found for this part. This does not mean none exist — only that none are currently in our database.

Supplemental Type Certificates3 found

FAA-approved modifications that reference this part number

ST04481CH ↗Butler National Corporation
Rev: 2021-05-18

Replacement of similar functioning circuit and switch for obsolete steering interface unit (SIU) in accordance with Butler National Master Data List 0200 I 020 Revisio n (A) , dat ed 14 MAY 2021, or later FAA Approved Revision.

Aircraft: 35, 35A (C-21A), 36, 36A

ST02259LA-D ↗United Airlines Inc
Rev: 2011-11-30

The modification will remove obsolete cassette storage units and the Access Management Unit (AMU) including the harness from the video control closet in accordance with United Air Lines ODA-100219-NM Approved Master Document List No. 2259 dated May 2, 2011, or later FAA approved revisions.

Aircraft: 757-200 Series

SA01123WI ↗Harley Charles
Rev: 2002-11-19

Installation of Airwolf Oil Filter AFC-K017 and VAP Oil PN U-3140 cooler as replacements for obsolete parts on Cessna T-50, serial number 6516 ONLY.

Aircraft: T-50

Airworthiness Directives

Synced 41 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-References2 NSNs — 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
1660-00-094-9095CYLINDER ASSEMBLY,OXYGEN,AIRCRAF1660$1,451.00/EA76301THE BOEING COMPANY DIV DEFENSE
1680-01-514-5984SYS DATA COMPUTER,A1680—03640LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS

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

LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS

Source

DLA WebFLIS

ATA Chapter

25

Type

OEM

Part ID: nsn:OBSOLETE | Source: DLA WebFLIS | Last updated: 2026-11-08