17-3-4850 ECU Frame_Revised_17 July 2026.pdf
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- Custom Metal Fabrication Services for Specialty Tactical Shelters and Ancillary Equipment
- Solicitation number
- W911QY26RCUSTOMMETALFAB
About this file
This document set comprises engineering drawings and parts lists for an ECU (Electronic Control Unit) Frame Assembly for the U.S. Army Futures Command, Combat Capabilities Development Command, Soldier Center, located in Natick, Massachusetts.
The ECU Frame Assembly consists of multiple welded and fabricated aluminum components, including a frame weldment assembly, vertical and horizontal rectangular tubes, angle rectangular tubes, a U-channel, end cap tubes, spacer panels, and various fasteners (rivets and rivet mount nuts). The primary components are manufactured from aluminum per ASTM B221 and B22.1 specifications, with wall thicknesses of .125 inches and specific dimensional requirements outlined in detailed engineering drawings. Component materials include 6061-T6 aluminum for channels and angle pieces, and 6063-T5 aluminum per ASTM B221 for the U-channel. Manufacturing requirements include removal of burrs and sharp edges, MIL-STD-130 identification markings, and chemical conversion coating per MIL-DTL-5541 Class 3 specifications. The assembly incorporates eight rivet fasteners (MS24243/5A304 and MS24243/5A406 specifications) and four rivet mount nuts (NASM21075 specification). Individual component drawings specify dimensions, tolerances, and manufacturing notes. All drawings were initially released July 25, 2008, with subsequent revisions and fabrication updates noted through July 2026. The documentation includes revision status tracking and distribution statements indicating approval for public release with unlimited distribution.
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| 17-3-4850 ECU Frame.pdf |
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Text version
U Channel is not shown correctly in Detail A or Top and Bottom views. See Drawing 17-3-4854.
2.00
1.00
.417
.583
.281±.002
.562±.002
2X .125
2X .730+ .030 .000
NOTES:
MATERIAL: ALUMINUM 6061-T6 PER ASTM B2211.
REMOVE ALL BURRS AND BREAK SHARP EDGES.2.
IDENTIFY PER MIL-STD-130.3.
A A
B B
C C
D D
ECU FRAME U
CHANNEL
17-3-4854
SHEET 1 OF 1
26-07-08L. WOLFE
UNLESS OTHERWISE SPECIFIED:
SCALE: 4:1 WEIGHT:
REVDWG. NO.
C
SIZE
TITLE:
NAME DATE
COMMENTS:
Q.A.
MFG APPR.
ENG APPR.
CHECKED
DRAWNDIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONS
ANGLES
TWO PLACE DECIMAL 0.03
THREE PLACE DECIMAL 0.010
APPLICATION
USED ONNEXT ASSY
17-3-4851 17-3-5800 17-3-5700
U.S. ARMY FUTURES COMMAND, COMBAT CAPABILITIES
DEVELOPMENT COMMAND, SOLDIER CENTER
GENERAL GREENE AVE, NATICK, MA, 01760-5056
Revised for Fabrication on 17 July 2026. -JF
| 17-3-4850 ECU Frame_Revised_17 July 2026.pdf |
| PL17-3-4850 (2).pdf |
| PL17-3-4850s001-TO |
| PL17-3-4850s002-TO |
| PL17-3-4851 (1).pdf |
| PL17-3-4851s001-TO |
| PL17-3-4851s002-TO |
| 17-3-4857 (2).pdf |
| Sheets and Views |
| 17-3-4857-Layout1 |
| 17-3-4858 (2).pdf |
| Sheets and Views |
| 17-3-4858-Layout1 |
| 17-3-4861 (2).pdf |
| Sheets and Views |
| 17-3-4861-Layout1 |
| 17-3-4854 Repaired 2.pdf |
| Sheet1 |
| Drawing View1 |
| Drawing View2 |
File details come from the government source that posted it. Updated .