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MATERIAL:
  • Sleeve: Cres per AMS 5639 (304) or AMS 5514 {305)
  • Nut: 1050 Carbon Steel Per AMS 5085, H.T. to 160,000 Psi min ultimate tensile strength
  • Bracket: 1050 Carbon Steel per AMS 5085, H.T. to HRc 42-47
FINISH CODE:
  • All components: Cad plate per AMS QQ-P-416, Type II. Class 2 (yellow)
  • Nut: Dri-Film Lubricant per MIL-PRF-46010
Unit of Measure

Nut Type

 N/A Locking

Thread Size

 N/A 0.2500-20 UNJC-3B
Lead1 N/A Single

L

 N/A 0.089 Inch

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

V ±.010

 N/A 0.496 Inch

W

 N/A 0.450 Inch

X

 N/A 0.650 Inch

Y ±.025

 N/A 0.303 Inch

Ø Z

 N/A 0.363 Inch

G1

 N/A N/A Inch

G2

 N/A 0.055 - 0.073 Inch

K

 N/A 0.073 Inch
Weight4 N/A 0.682 lb/100

Thread Type

 N/A Unified

N/A Sizes 12, 12F, 12C not recommended for less than .060 thicknesses

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 min. for Grip lengths greater than "C".
  • For nut element replacement P/N see DWG. S-0877.
  • Thread size code.
  • Complete tool assembly includes Nose Piece, Puller, & Handle.
  • Nut element removal tool available, P/N RB 6527.
  • For high volume installation rates, alternate power tooling is available.
    Please 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.
  • Mechanical properties per NASM25027 when installed per NASM14200. Applies to
    Sizes listed in NASM1420Q only.

    • 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 per letter code for 4, 4F, 6, 6F;