Drawing - 110715 D-SILSBY-86013C-30R July 2011.pdf
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- Notice of Intent to Sole Source: Gun Barrels
- Solicitation number
- W911QX21Q0130
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Text version
0.000
0.015 -0.005R
0.025 0.000
R 0.005
0.500 RH Pitch
0.
1.420 1.419
4.
-0
.0
0.
0 M aj or D ia
3.068
3.575 3.570
0.
±0
.0
0.106 ±0.005R0.007 ±0.003
R0.005 Max
(ALT: 0.2257 in/in Taper to 3.749" end dia.)
0.2594 in/in Taper Dia.
External Thread
Mark Here (from end) w/
] SN [
]Manufacturer
0.01247 in/in Taper Dia.
MFG [
(ALT: 3.60" OD Cylinder)
Class 3A
MFG Date MFG Diameter Serial Number
Month/Year
Serial#]
4-12 UN
Mark Here with:
[Material] HRC[Hardness Rockwell 'C']
0.15+0.01 Deep)
Thread runs out neatly beyond horiz CL
(ALT: 3/8" Counterbore
32 32
±1.0
0.000
0.
0.
0.020
5.380
0.000 3.000
0.10R
0.010
±0.010
120.0
4.430 9.810
0.
0.
28.070
0.000
3.
4.
1.500
39.780 ±0.010
R0.10 R0.10 1.420
0.400 -
R0.05
0.010
1.500
R0.10
0.010 0.000
0.020
0.080 0.000
0.020 45° X
3.630 -
3.
9 3.
2.
B
B
C
C
D
D
A A w/ KEYSEAT BREAK-OUT SECTION
SLOT DETAIL
GUN SECTION
BREACH VIEW RIFLING DETAIL
D-SILSBY-86013C-30R
Inches
GUN SIDE VIEW
Specified
KEYSEAT SECTION
37/30mm Laboratory Gun - Rifled
RIFLING
SCALE 1 : 2
GUN REVERSE VIEW
THREAD DETAIL
SCALE 1 : 3
4340 Steel (or other suitable gun steel)
.003" if not otherwise stated Exterior Finish
SCALE 1 : 2
SCALE 1 : 2
MUZZLE VIEW
Permissible Lead Error 0.002 per foot GO Gage Pitch Diameter 4.5616
NO GO Gage Pitch Diameter 4.5206
15Jul2011
22" x 17" Units: Paper: Scale: (ANSI C)
DJH
Tolerances:
Date:
Materials:
Author:
Description:
Drawing:
SECTION B-B
SCALE 1 : 2
Rifling Twist 1 turn in 21.321 .12 inches R.H. Lead 20 Grooves equally spaced within 0°15' Surface Finish
F
DETAIL E
SCALE 2 : 1
0.22 0.00 +0.01
5°
0' ±0
°5
0.3359 in/in Taper Dia.
0.006814 in/in Taper Dia.
SECTION A-A
SCALE 1 : 3
R 0.60 0.40
.005 in/ft
E
0.11
45°0.020
RR
R
195°
0.09 0.60
0.10
190°
0.10 R0.40
X
1.1845 ±0.0020
1.
1.
SECTION D-D
SCALE 1 : 1
0.63
DETAIL G
SCALE 1 : 1
0.180
Radius of Cutter at Thread Start (other neat blunt start feature is acceptable)
0.17
90°
0.00 0.01
0.41 0.00 +0.01
2.250 Cut 0.100" deep
Crests
G
0.05R
R0.38
0.125 0.000 +0.010
4.
-0
.0
0.
0 M in or D ia
SECTION C-C
SCALE 1 : 2
90°0' ±0°10'
0.00
0.011.66 -
0.250 0.000 +0.002
1.66 -0.01 0.00
DETAIL F
SCALE 3 : 1
R 0.
3.600 -0.020
0.000 3.250
8.90 8.80
3.835 3.100
6.615 6.595
5.97 ref
7.25 ref
1.
1.9596
1.7284
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