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MATERIAL:
  • Sleeve: 304 Cres per AMS 5639 or 304 Cres per AMS 5514
  • Nut: 1050 Carbon Steel per AMS 5085, heat treat to 160 Kpsi min. U.T.S.
  • Bracket: 1050 Carbon Steel per AMS 5085, heat treat to HRc 42-47
FINISH CODE:
  • All components: Cad plate per AMS QQ-P-416, Type II, Class 2
  • Nut: Dri-Film Lube per MIL-PRF-46010
  • Sleeve: Dyed red or marked with "R“ (for repair sleeve)
Unit of Measure

Nut Type

N/A Locking

Thread Size

N/A 0.1640-32 UNJC-3B
Lead1 N/A Quad

L

N/A 0.068 Inch

Ø M

N/A 0.270 Inch
Ø Q +.004/-.001 - Soft2 N/A 0.290 Inch
Ø Q +.004/-.001 - Hard3 N/A 0.296 Inch

Ø R1 +.020/-.000

N/A 0.375 Inch

Ø R2 ±.005

N/A 0.370 Inch

Ø U

N/A 0.245 Inch

W

N/A 0.390 Inch

X

N/A 0.572 Inch

Y ±.025

N/A 0.245 Inch

Ø Z

N/A 0.313 Inch

G1

N/A 0.219 - 0.250 Inch

G2

N/A 0.259 - 0.289 Inch

K

N/A 0.285 Inch

Thread Type

N/A Unified

N/A A minimum of two threads are deformed to produce self-locking action per NASM25027 when locking feature is required.

N/A

  • Nut element has .060 total radial float for grip lengths "AA" thru "C" and .046 grip lengths minimum for greater than “C“
  • For nut element replacement Part Number, See drawing s-0877.
  • Nut element removal tool available, Part Number RB 6527.
  • For high volume installation rates, alternative power tooling is available.
    Contact Howmet Fastening Systems sales deft.
  • Thread size code

    • 1 Nut element color code:
            None: locking standard threads
            Green: non-locking standard threads
            Yellow: coarse threads
            Orange: fast lead threads
    • 2 Soft- dimension for Soft Aluminum Alloys & Plastics
    • 3 Hard - dimension for Hard Aluminum Alloys & Steel