Item # KNK0256JMXDFL, Floating Keenserts® On Howmet Aerospace

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Floating Keenserts® are designed to compensate for misalignment with 0.015" of float (for 2-56) up to 0.040" of float (for #10 and larger sizes). The Keensert® is supplied as a one-piece unit. Ideal for use where mating panel holes may be off-center.

KNK, KNKD Series

Unit of Measure

Specifications

Insert Type	N/A Floating
Material	N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 160 KSI Minimum Tensile Strength
Finish Description	N/A Cadmium Plate per AMS-QQ-P-416, Type I, Class 3
Lube Description	N/A Dry Film Lubricant per AS5272, Type 1
Internal Thread Lock	N/A No
Internal Thread Size	N/A 0.0860-56 UNJC-3B
External Thread Size	N/A 0.2500-28 UNF-2A
Modified Minor Dia ±.004	N/A 0.213
Shear Engagement Area (in²) Ref.	N/A 0.0352
L ± .015	N/A 0.190
Min C-C	N/A 0.015
Internal Thread Length ±.010	N/A 0.10
Dist. To 1st Thd. (Approx.)	N/A 0.05
Tap Drill Diameter	N/A 0.231 / 0.227
C'Sink Diameter +.010 -.000	N/A 0.250
Thread Tap Size	N/A 0.2500-28 UNF-2B
Thread Tap Min. Depth Full Thread	N/A 0.12
Tool Part Number	N/A TK 02
Removal Drill Depth ±.010	N/A 0.0937
Removal Drill Size	N/A #8 (0.199)

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Insert Type

Material

Finish Description

Lube Description

Internal Thread Lock

Internal Thread Size

External Thread Size

Modified Minor Dia ±.004

Shear Engagement Area (in²) Ref.

L ± .015

Min C-C

Internal Thread Length ±.010

Dist. To 1st Thd. (Approx.)

Tap Drill Diameter

C'Sink Diameter+.010-.000

Thread Tap Size

Thread Tap Min. Depth Full Thread

Tool Part Number

Removal Drill Depth ±.010

Removal Drill Size

C'Sink Diameter
+.010
-.000