
Image for illustration only. It may show a product series rather than the exact product offered.
Airfasco
RX1-AN4-37A
Bolt Undrilled AN4-37A
4.06 EUR/EA
Excluding VAT
Availability
25 EA ready to ship TodayOrder before 15:30 CET Today
AOG
AOG service might be available even outside our opening hours. AOG services incur a fee starting from 100 EUR.
Accept and see AOG contact details
Up to 126 EA ready to ship on Thursday 2026-11-12Order before 15:30 CET Today
Up to 229 EA ready to ship on Monday 2026-11-16Order before 15:30 CET Today
152,196 EA available on request, inbound freight fee of 60 EUR appliesSpecial order from vendor stock.
Part numbers
- Roctexo
- RX1-AN4-37A
- Manufacturer
- 05558-5
- Manufacturer / Vendor
- AN4-37A
Product details
The Airfasco AN4-37A is an undrilled AN4-series hex-head aircraft bolt with dash number -37. The “A” suffix identifies an undrilled shank configuration, intended for installations using a suitable stop nut rather than a cotter-pin arrangement.
- Manufacturer part number: AN4-37A
- Additional manufacturer reference: 05558-5
- AN4 series: 1/4-28 thread designation
- Dash number: -37
- Nominal length: approximately 99 mm, measured from beneath the head to the end of the shank
- Nominal grip length: approximately 87 mm
- Unit of supply: each
- Listed weight: 0.047 kg
Please confirm the required bolt callout, length, grip, material/finish requirements and installation documentation before purchase and fitment.
| Condition | NEW |
|---|---|
| Diameter | 0.249" - 0.246" |
| Finish | Cadmium Plated, AMS-QQ-P-416, TYPE II, CLASS 2 |
| Grade | 4037 or 8740 |
| Grip ± .016" | 3.438" |
| Length +.031" / -.016" | 3.906" |
| Locking Mechanism | None |
| Manufacturer | AIRFASCO |
| Material | Alloy Steel |
| Packaged Amount | 1 PER |
| Ref Pc Weight (lb) | 0.058 |
| Thread Length | 0.468" |
| Thread Specs | 1/4-28 UNF-3A |
| Unit Of Measure | EA |