Where to Buy
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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 Certificates5 found
FAA-approved modifications that reference this part number
Installation of a TCAS791/791A Traffic alert and collision avoidance system I (TCAS I).
Aircraft: BH.125 Series 400A, DH.125 Series 400A
Installation of a Traffic Alert and Collision Avoidance System I (TCAS I) model TCAS 791/791A.
Aircraft: DHC-6-200, DHC-6-300
Installation of a Traffic Alert and Collision Avoidance System,TCAS I (Model TCAS791/791A).
Aircraft: 95, B95, B95A, D95A +15 more
Installation of L3 Communications Traffic Alert and Collision Avoidance System Model 791A (TCAS791A)
Aircraft: DC-6A, DC-6B
Installation of Traffic Alert and Collision Avoidance System I (TCAS I) Model TCAS791/791A
Aircraft: 200, 200C, B200, B200C +4 more
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-References2 NSNs — 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 |
|---|---|---|---|---|
| 5310-00-424-0313 | NUT,PLAIN,HEXAGON | 5310 | — | 11083CATERPILLAR INC DIV CATERPILLAR DEFENSE |
| 5310-00-619-7882 | NUT,PLAIN,HEXAGON | 5310 | $7.34/EA | D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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
CATERPILLAR INC DIV CATERPILLAR DEFENSE
Source
DLA WebFLIS
ATA Chapter
20
Type
OEM