539740
OEMClearNUT,SELF-LOCKING,CLINCH
Where to Buy
Search this part number directly on major distributors
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 Alternatives2 found
| PMA Part # | Manufacturer | Supplement | Approved | Source |
|---|---|---|---|---|
| AEC539740 (and oversizes up to .005) Shaft, Valve Rocker | Airmotive Engineering Corp | 1 R1 | 2006-10-17 | — |
| 1385-1 Rocker Shaft | Ram Aircraft Limited Partnership | 57r1 | 2000-03-06 | — |
Supplemental Type Certificates4 found
FAA-approved modifications that reference this part number
Replaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly)
Aircraft: TSIO-520-B, TSIO-520-C, TSIO-520-D, TSIO-520-E +13 more
Replaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly)
Aircraft: IO-520-A, IO-520-BA, IO-520-C, IO-520-D +6 more
Replaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly)
Aircraft: IO-470-E, IO-470-F, IO-470-G, IO-470-H +11 more
Replaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly)
Aircraft: O-470-A, O-470-B, O-470-E, O-470-G +8 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-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 |
|---|---|---|---|---|
| 5310-00-936-0457 | NUT,SELF-LOCKING,CLINCH | 5310 | $2.20/EA | 77445RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
Source
DLA WebFLIS
ATA Chapter
20
Type
OEM