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MATERIAL:
  • Nut: 1050 Carbon Steel per AMS 5085, or Alloy Steel per MIL-S-6758 or AMS 6348, AMS 6351 (4130). Heat treat to 160 Ksi min ultimate tensile strength, HRc 45 max
  • Bracket: 1050 Carbon Steel per AMS 5085 or ASTM-A-682, heat treat to HRc 40-50
  • Sleeve: 304 Cres per AMS 5639 or AMS-QQ-S-763 or 305 Cres per AMS 5514
FINISH CODE:
  • Bracket, Sleeve & Nut: Cad plate per AMS QQ-P-416, Type II, Class 2
  • Nut: Dri-Film Lube per MIL-PRF-46010
Unit of Measure

Nut Type

 N/A Non-Locking

Thread Size

 N/A 0.1900-32 UNJF-3B

Lead

 N/A Single

Ø M +.000/-.006

 N/A 0.270 Inch
Ø Q +.004/-.001 - Soft1 N/A 0.272 Inch
Ø Q +.004/-.001 - Hard2 N/A 0.281 Inch

Ø R1 +.020/-.000

 N/A 0.375 Inch

Ø R2 ±.005

 N/A 0.370 Inch
Ø U +.005/-.0023 N/A 0.245 Inch

W

 N/A 0.390 Inch

X ±.017

 N/A 0.564 Inch

Z ±.003

 N/A 0.299 Inch

G1

 N/A 0.499 - 0.529 Inch

G2

 N/A 0.538 - 0.568 Inch

K

 N/A 0.564 Inch

N

 N/A 0.053-0.075 Inch

L - Nut Height

 N/A 0.233 Inch

Y - Thread Relief

 N/A 0.068 Inch

N/A

  • Nut element has .060 total Radial Float for Grip lengths "AA" thru "C" and .046 minimum for Grip lengths greater than "C“ .
  • For nut element replacement Part Number, see drawing S-0877.
  • Nut element removal tool available, Part Number RB6527.
  • For high volume installation rates, alternative powertooung is available
    Contact Howmet Fastening Systems sales dept.
  • Threads are cut for Thread size codes: 8,8F, M4,10,10C, 10F, M5,12,12C, 12F and M6.
  • Tooling Type
    "NT" designates counterbore
    "S" designates countersink

    • 1 Soft- dimension for Soft Aluminum Alloys & Plastics
    • 2 Hard - dimension for Hard Aluminum Alloys & Steel
    • 3 For Grip code F thru P, the Ø “U" minimum may be .224 as required for manufacturing. Size .190-32 UNJF-3B only.