4-40
OEMClearNUT,PLAIN,HEXAGON
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 Alternatives3 found
| PMA Part # | Manufacturer | Supplement | Approved | Source |
|---|---|---|---|---|
| P00449 Seat, Ball | Aviation Component Solutions | 115 | 2008-05-26 | — |
| P00803 Seal, Dynamic, LP, Female | Aviation Component Solutions | 111 | 2008-01-24 | — |
| P00562 Slipper | Aviation Component Solutions | 101 | 2007-04-15 | — |
Supplemental Type Certificates5 found
FAA-approved modifications that reference this part number
Installation of Rolls-Royce model Dart 542-4 engines with Dowty Rotol R245/4-40-4.5/13 propellers and associated modifications to engine mounting, nacelle, empennage, accessories, systems and equipment.
Aircraft: 240 Series
Rolls Royce Dart 542-4 engines with Dowty Rotol (c) R245/4-40-4.5/13 or (c) R259/4-40-4.5/17 propellers and associated modifications.
Aircraft: 340, 440 Military C-131E
Installation of Safeway De-Icer boot P/N 5660 and/or Semsa Lead P/N S.2001 in lieu of Dowty Rotol boots and/or leads on Dowty Rotol propeller model R245/4-40-4.5/13 with blades P/N 6.6000.2301 or model R259/4-40-4.5/17 with blades P/N 6.6000.4300. (440 M ILITARY C-131E D (640)) (240 SERIES 600) (340D)
Aircraft: 340, 440 Military C-131E, 240 Series
Installation of a Safeway deicer boot P/N 5939 and/or Semsa lead assembly P/N S.2001 on Dowty Rotol propeller model R209/4-40-4.5/2.
Aircraft: YS-11A-600, YS-11A-300, YS-11A-200, YS-11 +1 more
Replacement of Dowty Rotol top and bottom roller bearing cages with SEMSA, Inc. P/Ns 601023258-S and601023257-S respectively in the above model propellers. (R.245/4-40-4.5/-/ (13)) (R.259/4-40-4.5/-/ (17)) (R.209/4-40-4.5/-/ (2))
Aircraft: R.245/4-40-4.5/, R.209/4-40-4.5/, R.259/4-40-4.5/
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-References7 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 |
|---|---|---|---|---|
| 5310-00-078-6210 | NUT,PLAIN,CAP | 5310 | $0.04/EA | 97852STAR STAINLESS SCREW CO |
| 5310-00-138-6624 | NUT,PLAIN,HEXAGON | 5310 | $0.53/EA | 17625NON-METALLICS INC |
| 5310-00-850-7097 | NUT,PLAIN,CAP | 5310 | $0.08/EA | 99378ATLEE OF DELAWARE, INCORPORATED |
| 5310-00-934-9739 | NUT,PLAIN,HEXAGON | 5310 | $6.91/HD | 73734FEDERAL SCREW PRODUCTS, INC. |
| 5310-00-981-2231 | NUT,PLAIN,HEXAGON | 5310 | — | 81413BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS |
| 5310-00-993-1845 | NUT,PLAIN,CAP | 5310 | $0.21/EA | 77250ALLIED PRODUCTS CORP PHEOLL MFG CO DIV |
| 5310-01-037-0780 | NUT,PLAIN,HEXAGON | 5310 | $0.27/EA | 57472ALL MANUFACTURERS, INC. DBA ALLIED HARBOR AEROSPACE FASTENERS |
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
ALL MANUFACTURERS, INC. DBA ALLIED HARBOR AEROSPACE FASTENERS
Source
DLA WebFLIS
ATA Chapter
20
Type
OEM