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HST71

HI-LITE™ COLLAR

HST71 – TITANIUM ALLOY SHEAR APPLICATION, 1/16 GRIP VARIATION FOR USE ON STD. & 1/64 OVERSIZE HI-LITE™ PINS

current revision available for download at  LISI Aerospace

Click on Drawing to Enlarge

hst71-pic

FIRST
DASH
NO.

PIN
NOM
DIA

THREAD A
DIA
A1
DIA
(REF)
B
DIA
L L1
REF
L2
REF
L3
REF
P
REF
W
HEX
X
REF
X1
REF
UTS
LBS.
MIN
TORQUEOFF
IN-LBS
5 5/32 .1640-32
UNJC-3B
.287
.283
.320 .173
.166
.395
.375
.220 .235 .400 .344 .314
.302
.085 .100 1,940 15-25
6 3/16 .1900-32
UNJF-3B
.307
.303
.340 .212
.208
.405
.385
.230 .245 .410 .344 314
.302
.085 .100 2,500 22-32
8 1/4 2500-28
UNJF-3B
.413
.408
.440 .272
.268
.475
.455
.270 .285 .480 .484 .440
.425
.090 .105 4,300 50-70
10 5/16 .3125-24
UNJF-3B
.518
.512
.550 336
.330
.555
.535
.315 .330 .590 .624 .565
.550
.095 .110 6,300 80-110
12 3/8 .3750-24
UNJF-3B
.628
.622
.660 .398
.392
.625
.605
.355 .370 .630 .700 .628
.613
.095 .110 8,700 140-180
14 7/16 .4375-20
UNJF-3B
.733
.727
.777 .463
.457
705
.685
.405 .420 .710 .840 .753
.736
.100 .115 12,100 190-250
16 1/2 .5000-20
UNJF-3B
.848
.842
.897 .528
.522
765
.745
.435 .450 .770 .970 .878
.861
.100 .115 15,400 290-350

GENERAL NOTES:

1. Go thread gage penetration shall be 3/4 of one revolution minimum after thread lock.

2. Dimensions are in inches and apply after finish and before application of lubricants.

3. Use HST171 for oversize replacement.

4 Use TB64VF( )L for thread lock inspection.

MATERIAL:

Collar    6Al-4V titanium alloy per AMS4928, AMS4930, AMS4967, or 3Al-2.5V titanium alloy per AMS6940 (MIL-T-9047).

Washer      300 series stainless steel.

FINISH:

Collar   HST71TA( ) = Collar only with pretreat per Hi-Shear Ti-Shield III and HI-KOTE™ 2 solid film lube per Hi-Shear Spec. 292, and cetyl alcohol lube per Hi-Shear Spec. 305.

Collar & Washer    HST71TAW( ) = Collar finish same as HST71TA( ), and washer is passivated per Hi-Shear Spec. 258.

SPECIFICATION:

HI-LITE™ Product Specification 381. Test bolt requirement exceptions per note above.

CODE:

Dash number indicates nominal thread size in 1/32nds. See Finish note for explanation of code letters.

EXAMPLE: 

HST71TA8  = .2500-28 HI-LITE™ Collar with HI-KOTE™ 2 and cetyl alcohol lube.

HST71TAW8  = .2500-28 HI-LITE™ Collar with HI-KOTE™ 2 and cetyl alcohol lube and washer is passivated.

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