Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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THREAD: AS8879
MATERIAL:
Nut and cradle - INCO 718 per AMS 5662 or AMS 5663.
Roll Pin - 300 series corrosion resistant steel.
FINISH:
Roll Pin - Passivate per AMS2700.
  • F53942-(*)

    • Nut - Cadmium plated per AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
    Cradle - Cadmium plated per AMS-QQ-P-416, Type II, Class 2.
  • F53942-(*)X

    • Nut and cradle - Cadmium plated per AMS-QQ-P-416, Type II, Class 2.
  • F53942-(*)DL

    • Nut and cradle - Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
  • F53942-(*)AK

    • Nut - Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
    Cradle - Aluminium coat per NAS 4006.
  • F53942-(*)A

    • Nut and cradle - Aluminium coat per NAS 4006.
  • F53942-(*)S

    • Nut - Silver plate per AMS 241.
    Cradle - Passivate per AMS2700.
PERFORMANCE: NASM25027, as applicable per NAS 577.
FLOATIBILITY: .028 min. on "X" axis. Vertical --- .016 max.
INSPECTION: 100% fluorescent inspection per ASTM-E1417. No identification required.
Unit of Measure

Specifications

A

 N/A 0.885-0.865

B - MAX

 N/A 0.625

C

 N/A 0.193-0.183

D

 N/A 0.479-0.469

R

 N/A 0.3390-0.3875

S

 N/A 0.470-0.460

W - MIN

 N/A 0.768

Install Hole Dia. - REF

 N/A 0.788-0.781

Axial Tensile Strength (LBS. MIN)

 N/A 23000

Max. Weight (LBS/100)

 N/A 5.10

Nut Finish

 N/A Aluminum Coat per NAS 4006

Cradle Finish

 N/A Aluminum Coat per NAS 4006

Thread

 N/A 0.4375-20 UNJF-3B