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Documentation
General information based on part classification, not a certification determination. Your operator's quality manual governs.
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 Certificates8 found
FAA-approved modifications that reference this part number
The air data system is revised in accordance with United Air Lines,\nDAS-1-WE Approved Drawing List No. 3350 dated July 20, 1979, or later FAA approved revisions to the following configuration:\n1.\tThe Captain's and First Officer's altimeters are Harowe P/N 2050 Series electric indicators.\n2.\tThe No. 1 air data computer is a Honeywell P/N HG180U-742 (727-222 only) or a United Air Lines P/N 9F-9058-505 (727-22, -22C only).\n3.\tThe No. 2 air data computer is a Harowe P/N 4019-1, -2, or -5. On the 727-222 only, a Honeywell\n HG180OU-742, HG180V2-9F9058-506, HG180V1-9F9057-504.
Aircraft: 727-200 Series, 727 Series, 727C Series
Increase in takeoff weight from 3200 lbs to 3350 lbs for Bell 206B, serial numbers 5101 and subsequent.
Aircraft: 206A, 206B
Installation of two Curtiss-Wright R-3350-32WA engines.
Aircraft: (SP-2E) P2V-5F
Installation of military model R-3350-42(STC SE2004NM) or R-3350-93(STC SE2007NM) engines.
Aircraft: DC-7C
Installation of military model R-3350-42 (STC SE2004NM) or R-3350-93 (STC No. SE2007NM) engines.
Aircraft: DC-7B
Installation of military model R-3350-42 (STC SE2004NM) or R-3350-93 (STC SE2007NM) engines.
Aircraft: DC-7
Cargo tie-down rings for retaining a 4,700 pound R 3350 QEC package.
Aircraft: 749A-79
Modification of PRT cooling cap. (CYCLONE 972TC18DA1 Military R-3350 Series)
Aircraft: Cyclone 972TC18DA1, Cyclone 972TC18DA Series, Cyclone 981TC18EA 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
| NSN | Standardized Name | FSC | DLA List Price (gov't catalog) | CAGE / Manufacturer |
|---|---|---|---|---|
| 5310-01-164-7488 | WASHER,FLAT | 5310 | $0.15/EA | 91833KEYSTONE ELECTRONICS CORP |
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
KEYSTONE ELECTRONICS CORP
Source
DLA WebFLIS
ATA Chapter
20
Type
OEM