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MATERIAL
  • Sleeve: Cres per AMS 5639 (304) or AMS 5514 (305)
  • Bracket: 17-7 PH Cres per AMS 5528, H.T. to 180 Ksi min ultimate tensile strength
  • Nut: A-286 Cres per AMS 5525 or 5737, H.T. to 160 Ksi min ultimate tensile strength
FINISH CODE:
  • Bracket, Nut & Sleeve: Passivate per AMS QQ-P-35
  • Nut: Dri-Film Lubricant per MIL-PRF-46010
Unit of Measure

Nut Type

 N/A Non-Locking

Thread Size

 N/A 0.2500-28 UNJF-3B
Lead1 N/A Single

Ø M MAX.

 N/A 0.335 Inch
Ø Q +.004/-.001 - Soft2 N/A 0.339 Inch
Ø Q +.004/-.001 - Hard3 N/A 0.348 Inch

Ø R1 +.020/-.000

 N/A 0.515 Inch

Ø R2 ±.005

 N/A 0.437 Inch

Ø U

 N/A 0.310 Inch

W

 N/A 0.450 Inch

X

 N/A 0.650 Inch

Ø Z

 N/A 0.363 Inch

G1

 N/A 0.157 - 0.187 Inch

G2

 N/A 0.197 - 0.227 Inch

K

 N/A 0.223 Inch

L - Nut Height

 N/A 0.237 Inch

Y - Thread Relief

 N/A 0.428 Inch
Weight4 N/A 0.742 lb/100

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.
  • Complete tool assembly includes Nose Piece, Puller, & Handle. "N" designates counterbore, "S" designates countersink.
  • For high volume installation rates, alternative power tooling is available
    Contact HFS Installation Systems for more information.
  • Thread dimensions apply prior to application of Dri-Film Lubricant. Possible thread tightness due to lube buildup will diminish following engagement of Mating Part.
  • Threads are cut for thread size codes 8, 8F, 10, 10C, 10F, 12,1 2C, 12F.
  • Locking torque values of sizes 8, 8F, 10, 10C, 10F, 12, 12C, 12F are to satisfy SNECMA DT57-11.

    • 1 Nut element color code: (PCD 160147)
            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
    • 4 To obtain additional weights add increments of .010 lbs/100 per letter code for 4, 4F, 6, 6F;