Attachment B.PDF
PDF 44 KB Posted
- Attached to
- Materials Testing
- Solicitation number
- N00173-26-Q-0003
About this file
This is a technical engineering drawing for a CT Sample Cast NAB specimen, prepared in accordance with ASME Y14.5-2009 geometric tolerancing standards. The document is the proprietary intellectual property of the Naval Research Laboratory (NRL) and is designated as drawing number CT-NAB, Size A, Sheet 1 of 1.
The drawing specifies detailed dimensional requirements for a cast specimen component with overall dimensions of 3.75 inches in length and 3.60 inches in height. Key features include two 0.750-inch diameter holes with a tolerance of +0.005/-0.000 inches, two 0.825-inch diameter features, two #8-32 tapped holes with 0.20-inch spacing, and a machined notch with a 50-degree maximum angle. Critical specifications include surface perpendicularity and parallelism tolerances of ±0.004 inches TIR (Total Indicated Runout), surface finish of 32 microinches or better for all surfaces and holes, and notch preparation in accordance with ASTM E647 paragraph 7.3. The machined notch intersection with specimen faces must be equally distant from the top and bottom within 0.01 inches. General tolerances are defined as fractional ±1/32 inch, two-place decimal ±0.02 inch, three-place decimal ±0.002 inch, and angular ±5 degrees. The drawing includes detail views and cross-sections with specific dimensional callouts and engineering notes for manufacturing and inspection purposes.
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Other files
| File | Type | Posted |
|---|---|---|
| Question and Answers 01.pdf | ||
| Solicitation - N0017326Q0003.pdf | ||
| Attachment A.pdf |
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Text version
1.60
3.75
2X 3.000
.12 max
3.60
1.80
2X .825
2X .750+ .005 .000
50°max
A
Note 2 and 4
Note 1 and 3
Note 1 and 3
Note 1
.750+ .000 .002
2X .20 #8-32 Tapped Hole
#8-32 Tapped Hole
Note 1
.20 50°
45°
.06
DETAIL A
SCALE 2 : 1
NOTES:
SURFACES SHALL BE PERPENDICULAR AND PARALLEL 1.
AS APPLICABLE TO WITHIN ±0.004, TIR
THE INTERSECTION OF THE TIPS OF THE MACHINED 2.
NOTCH WITH THE SPECIMEN FACES SHALL BE
EQUALLY DISTANT FROM THE TOP AND BOTTOM OF
THE SPECIMEN WITHIN 0.01
SURFACE FINISH INCLUDING HOLES SHALL BE 32 OR 3.
BETTER
NOTCH PREPARATION AS DESCRIBED IN ASTM E647 4.
paragraph 7.3
TOLERANCES AND INSPECTION:
THIS DRAWING TO BE INTERPRETED IAW ASME Y14.5-20091.
TOLERANCES ARE SHOWN IN THE TOLERANCE BLOCK UNLESS OTHERWISE SPECIFIED2.
A A
B B
DO NOT SCALE DRAWING
CT-NAB
SHEET 1 OF 1
UNLESS OTHERWISE SPECIFIED:
SCALE: 1:2 WEIGHT:
REVDWG. NO.
A
SIZE
TITLE:
NAME DATE
COMMENTS:
Q.A.
MFG APPR.
ENG APPR.
CHECKED
DRAWN
FINISH
MATERIAL
INTERPRET GEOM. TOLERANCING
PER: ASME Y 14.5 2009
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL 1/32
ANGULAR: MACH 5
TWO PLACE DECIMAL 0.02
THREE PLACE DECIMAL 0.002
THE INFORMATION CONTAINED IN THIS
DRAWING IS THE SOLE PROPERTY OF
NRL. ANY REPRODUCTION IN PART OR AS
A WHOLE WITHOUT THE WRITTEN
PERMISSION OF NRL IS PROHIBITED.
CT Sample Cast NAB
| Sheet1 |
| Drawing View1 |
| Drawing View2 |
| Drawing View3 |
| Detail View A (2 : 1) |
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