Attachment 0004 12977454 REV K 120MM DRAWING.pdf

PDF 239 KB Posted

Attached to
Obturating Rings (60MM, 81MM, & 120MM) Federal contract opportunity
Solicitation number
W519TC-25-R-2003
Issued by
Department of the Army Materiel Command Contracting Command Rock Island Arsenal

About this file

This document is a technical drawing for an Obturating Ring (120MM), which is part of a federal contract opportunity issued by the Department of the Army Materiel Command Contracting Command Rock Island Arsenal. The drawing, Revision K dated August 10, 2016, provides detailed specifications for the 120MM Obturating Ring, including material requirements, mechanical properties, dimensions, and manufacturing tolerances. The related federal contract opportunity, Solicitation Number W519TC-25-R-2003, is for Obturating Rings in 60MM, 81MM, and 120MM sizes, to be used on various weapons systems including the M930, M983, and M929. The contract is set aside for the Department of Defense and DoD contractors, and the government has unlimited rights in the technical data. No award date is provided, but the drawing and solicitation indicate the government's ongoing requirement for these Obturating Ring components.

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Text version

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8 7 6 5 4 3 2 1DRAWING SIZE F

SIZE CAGE CODE

SCALE SHEET

FORMAT: F_TACOM_ENG_1_0

UNIT WT.

DESIGN ACTIVITYCONTRACT NUMBER

CONTRACTOR

DRAWN BY DATE (YEAR-MO-DA)

CHECKER ENGINEER

ENGINEER QUALITY ENGINEER

DRAWNG APPROVAL

DESIGN APPROVAL

THIRD ANGLE PROJECTION

MATL ENGR MODELED BY

UNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN INCHES

TOLERANCES ON ANGLES �#� �$�

2 PLACE DECIMALS �#�

3 PLACE DECIMALS �#�

PMIC

12345678

DWG NO.

0.152 0.005

2X 45�$�1�$�

MAX0.295

4.265 0.002

2X 0.08 0.02

140�$�5�$�

2X

0.096 0.001

0.187 0.005

120.00�$�

0.035 0.010

4X 0.140 +0.000 -0.015

4X 0.07 +0.01 -0.00

4X 0.084 +0.000 -0.012

2X 0.084 +0.000 -0.012

6X 60�$�1�$�

.283�#�.007 MAX REF.0.295

6X 0.055 0.006

.140�#�.002

.03 MAX

REVISIONS

APPROVEDDATE(YEAR-MO-DA)DESCRIPTIONDRAWING REV

BAC2010-04-01

REDRAWN WITH CHANGE

NOR R09J2035 / 2010-03-15

H

AMW2011-09-26NOR R11J2007 / 2011-09-22J

BMG2016-08-10NOR R16J2008 / 2016-08-04K

1 OF 10.000 2.000

1297745419200F

OBTURATING RING

US ARMY

ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER

PICATINNY ARSENAL, NEW JERSEY 07806-5000

V. DANTON 2000-10-10

J. SMITH 2010-03-15

R. COLON 2010-03-15

DO NOT SCALE DRAWING

V. DANTON

12577503 M930

12967862 M983

13013454 M933A1

13010093 M934A2

12977141 M934A1

12983040 M931

12957039 M931

NEXT ASSY USED ON

APPLICATION

MECHANICAL

PROPERTIES

YP

TS

EL2

RA

BH

RH

PART NO. 12977454

THIS DRAWING WAS GENERATED FROM A SOLID MODEL

AND IS CAD MAINTAINED. CHANGES SHALL BE

INCORPORATED BY THE DESIGN ACTIVITY.

NSN

NOTES:

1. APPLICABLE STANDARDS/SPECIFICATIONS:

A. ASME Y14.100

B. MIL-STD-100E

C. ANSI Y14.5M-1982

D. MIL-A-002550

E. DTL12977454

2. MATERIAL: POLYCARBONATE PER ASTM D3935-PC 110G10A99990

(LEXAN 500R, OR PC MATERIAL WITH COMPARABLE PROPERTIES, 10%

GLASS ENFORCED).

MECHANICAL & PHYSICAL PROPERTIES

2.1 MELT FLOW RATE-4 TO 13 G/10 MINUTES (METHOD ASTM D1238)

2.2 TENSILE YIELD STRENGTH-56 MPA MIN. (METHOD ASTM D638)

2.3 FLEXURAL MODULUS-3000 MPA MIN (MEHTOD ASTM D790)

2.4 IZOD IMPACT STRENGTH - 95 J/M MIN. (METHOD ASTM D256)

2.5 DEFLECTION TEMPERATURE UNDER 1820 KPA LOAD, 130 DEGREES

C MIN. (METHOD ASTM D648)

3. SURFACE FINISH ALL OVER.

END OF TAPERED SECTION.

APPLIES WHEN PART IS PLACED ON A 4.378" DIA. PLUG.

6. TIGHT FLASH AND MOLD MARKS WITHIN

TOLERANCE PERMITTED.

APPLIES WHEN PART IS PLACED ON A 4.370" DIA. PLUG.

8. BONDED OBTURATING RING SHALL BREAK APART IN NOTCHED AREA(S) WHEN PULL TESTED IAW DTL12977454.

BREAK FORCE SHALL NOT EXCEED 280 POUNDS (127 KG) NOR SHALL BE LESS THAN 178.5 POUNDS (81KG)

9. WHEN PART IS PLACED ON A 4.382" DIA PLUG, MAXIMUM ALLOWABLE O.D. OF OBTURATOR IS 4.704".

DISTRIBUTION AUTHORIZED TO THE DEPARTMENT OF DEFENSE (DOD) AND DOD CONTRACTORS ONLY.

THIS TECHNICAL DATA PACKAGE CONTAINS SENSITIVE TECHNOLOGY ON A NEW WEAPONS SYSTEM.

THIS DETERMINATION WAS MADE ON 23 MAY 96. OTHER REQUESTS SHALL BE REFERRED TO

COMMANDER, ARDEC, ATTN: RDAR-MEM-M, PICATINNY ARSENAL, NJ 07806-5000.

THE UNITED STATES GOVERNMENT HAS UNLIMITED RIGHTS

IN THE TECHNICAL DATA IN THIS DOCUMENT. ANY COPY

OR MODIFICATION OF THIS DOCUMENT, OR ANY DERIVATIVE

WORK CREATED THEREFROM, IN WHOLE OR IN PART,

MUST INCLUDE THIS LEGEND. ANY CLAIM BY ANOTHER TO

THE RIGHTS OF THE UNITED STATES GOVERNMENT IN THIS

DATA IS A VIOLATION OF FEDERAL LAWS AND REGULATIONS.

DISTRIBUTION STATEMENT D:

SEE DETAIL A

DENOTES SPLIT

FULL DEPTH

AS SHOWN

DETAIL A

SCALE 2.000

SEE DETAIL C

SECTION A-A

DENOTES SPLIT

FULL LENGTH

SECTION B-B

DENOTES SPLIT

FULL DEPTH

SECTION C-C

DENOTES SPLIT

FULL DEPTH

SECTION D-D

DETAIL C

SCALE 2.000

SECTION E-E

Sheet 1
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