Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Related Articles


Fastener Alternates

Fastener Alternates

Fastener Alternates

Hello, I am inquiring about an alternate P/N to HL62-PB70-6-4 and HL63***** these being the first oversize. I have been looking around and i cant seem to find an alternative. I have found that BACB30FP and BACM30FQ respectively to be the alternates but i cannot find a site or on My Boeing fleet to confirm this. Any suggestion would be helpful. Does anyone have or know a complete conversion sheet for the pins that correspond to the collars.

RE: Fastener Alternates

Reldys Romero ... this is an aerospace fastener question... No-wonder there has been no response.

Short answer: Go to the HL pin website and MOST of Your questions can be answered... although not all... but a good start.


Do NOT mix titanium and steel/CRES pins due to significant differences in STIFFNESS [steel/CRES pins OK to mix due-to similar stiffness's].

Download the spec page for parts that look like what You need.

Ask this question, again, if necessary AFTER reviewing what is available.

LISI HL Pins [scroll-down] - http://www.lisi-aerospace.com/products/fasteners/e...

LISI HL Collars [scroll-down] - http://www.lisi-aerospace.com/products/fasteners/i...

The HL pins listed are generally available in all diameters [up to ~0.500-OS]... but NOT all grip lengths may exist.

Regards, Wil Taylor

o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close