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 Alternatives3 found
| PMA Part # | Manufacturer | Supplement | Approved | Source |
|---|---|---|---|---|
| BACP30M4C PULLEY | Kirkhill Aircraft Parts Co. dba Proponent | 89 | 2020-09-24 | — |
| R30M-4C Pulley, Control, Machined Phenolic | Ralmark Company | 9 | 2018-07-18 | — |
| R30M-4C DWG No 7-1074 Rev 001 Date 01/18/2002 Or later FAA approved revisions Pulley, Control, Machined Phenolic Laminate | Ralmark Company | 6 | 2002-05-08 | — |
Supplemental Type Certificates
FAA-approved modifications that reference this part number
No current STCs reference this part number in their description.
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-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 |
|---|---|---|---|---|
| 1640-01-653-1782 | PULLEY,GROOVE,AVIATION | 1640 | $158.75/EA | 81205THE BOEING COMPANY DIV DEFENSE |
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
THE BOEING COMPANY DIV DEFENSE
Source
DLA WebFLIS
ATA Chapter
—
Type
OEM