P/N: as21548
Category: Bolts
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New | 8 Available |
The AS21548 is a machine bolt conforming to SAE Aerospace Standard AS21500-4, featuring a double-hex extended-washer-head design with 1/4-28 UNJF-3A thread. This fastener provides controlled preload in aerospace structural joints where compact head geometry and fine-pitch threading are specified. Commonly used in airframe connections requiring precision torque application and load distribution.
Installation requires verification of bolt length and grip distance for the specific joint, with torque values specified in the aircraft maintenance manual.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The AS21548 is a machine bolt conforming to SAE Aerospace Standard AS21500-4, featuring a double-hex extended-washer-head design with 1/4-28 UNJF-3A thread. This fastener provides controlled preload in aerospace structural joints where compact head geometry and fine-pitch threading are specified.
The as21548 is currently available in the following conditions: New. Each condition reflects the part's maintenance history and certification status per FAA standards.
The as21548 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.