12577761_A.pdf

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W519TC25Q2160
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This is a technical drawing and specification document for a hexagonal locking nut (drawing number 12577761) issued by the US Army Tank Automotive & Armaments Command in Warren, Michigan. The drawing details a range of locking nuts that comply with specification NASM17829, with specific modifications for finish requirements per drawing 12578628 and inspection requirements.

The document includes a comprehensive part table listing 34 different variants of the locking nut, ranging in thread sizes from #10-24 UNC-3B to 2 1/2-4 UNC-3B, with both UNC and UNF thread options for most sizes. Each variant is specified with precise dimensions for height (A), width (B), minimum clearance (C), and flange thickness (F). The drawing was initially released on April 12, 2021, under contract W56HZV-15-C-A001 with BAE Systems Land & Armaments L.P. The document is approved for public release with unlimited distribution.

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12345678

1345678

B

C

D

A

B

C

D

SCALE UNIT WT

SHEET

SIZE CAGE CODE/DAI

P R O E

DWG NO SH

OF

CONTRACT NUMBER

DRAWN BY

CHECKER ENGINEER

FUNCTIONAL

MANUFACTURING PROD ASSUR

MATERIALS WELDING

DESIGN

DESIGN ASSUR CONF MGR DATE (YYYY-MM-DD)

DRAWING APPROVAL-GOVERNMENT

DESIGN APPROVAL-GOVERNMENT

L A S T

S Y M

U S E D

D A T U M S

D A S H

N O

S E C V I E W

R E F

D E S

A

COMMON MARCH 17, 2017

TITLE

DWG. NO. REV

DESIGN ACTIVITY

CONTRACTOR

B

C

A

F

THREAD SIZE

UNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN INCHES

ANGLES �#� ---

2 PL �#� --- 3 PL �#� ---

REVISIONS

APPROVEDDATE (YYYY-MM-DD)DESCRIPTIONLTRZONE

INITIAL RELEASE-

PH JHA2021-04-12

INCORPORATED RFC382905

ERR AMP-W4634

A

12577761 1

2 1--NONE

A1257776119207D

NUT, LOCKING, HEX, 250 �$�F

US ARMY

TANK AUTOMOTIVE & ARMAMENTS COMMAND

WARREN, MICHIGAN 48397-5000

J.DORSCHG.HASKIN

2014-05-04J.CASELDEN

CONTRACTOR

BAE SYSTEMS

Land & Armaments L.P.

Arlington Virginia 22209

W56HZV-15-C-A001

J.PYLE

G.HASKIN

SEE TABLEPART NO.

THIRD ANGLE PROJECTION

DISTRIBUTION STATEMENT A. APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED.

COPYRIGHT © 2014 BAE SYSTEMS LAND AND ARMAMENTS L. P.

1. APPLICABLE STANDARDS/SPECIFICATIONS:

A. ASME Y14.100-2004

B. ASME Y14.5-2009

2. NUTS SHALL BE IN ACCORDANCE WITH SPECIFICATION

NASM17829, EXCEPT AS FOLLOWS:

A. FINISH SHALL BE IN ACCORDANCE WITH DRAWING

12578628, PARAGRAPH 5.0.

B. INSPECTION: SHALL BE IN ACCORDANCE WITH

SPECIFICATION NASM17829, AND DRAWING

12578628, PARAGRAPH 8.1.

3. DIMENSIONAL REQUIREMENTS SHALL BE IN ACCORDANCE

WITH SPECIFICATION NASM17829.

APPLICATION

USED ONNEXT ASSY

XM1283-7 VARIOUS

MECHANICAL PROPERTIES

RH

BH

RA

EL2

TS

YP

PMIC A

ALL SHEETS ARE THE SAME REVISION

DO NOT SCALE DRAWING

EXAMPLE PART NUMBER

12577761-XXX

DASH SIZE #

BASIC PART NUMBER

STATUS: RELEASED 05/07/2021

1345678

A

B

C

D

B

C

D

P R O E

DWG NO SH

12345

A

SCALE

SHEET

SIZE CAGE CODE/DAI

COMMON MARCH 17, 2017

TITLE

DWG. NO. REV

DESIGN ACTIVITY

PART TABLE

PART #

THREAD

SIZE

A B C

MIN

F

12577761-3C #10-24 UNC-3B .245 .372 .410 .085

12577761-4C 1/4-20 UNC-3B .300 .435 .482 .116

12577761-4F 1/4-28 UNF-3B .300 .435 .482 .116

12577761-5C 5/16-18 UNC-3B .316 .497 .552 .123

12577761-5F 5/16-24 UNF-3B .316 .497 .552 .123

12577761-6C 3/8-16 UNC-3B .394 .559 .622 .153

12577761-6F 3/8-24 UNF-3B .394 .559 .622 .153

12577761-7C 7/16-14 UNC-3B .452 .685 .766 .178

12577761-7F 7/16-20 UNF-3B .452 .685 .766 .178

12577761-8C 1/2-13 UNC-3B .593 .747 .837 .221

12577761-8F 1/2-20 UNF-3B .593 .747 .837 .221

12577761-9C 9/16-12 UNC-3B .664 .871 .978 .243

12577761-9F 9/16-18 UNF-3B .664 .871 .978 .243

12577761-10C 5/8-11 UNC-3B .749 .934 1.051 .274

12577761-10F 5/8-18 UNF-3B .749 .934 1.051 .274

12577761-12C 3/4-10 UNC-3B .873 1.058 1.191 .316

12577761-12F 3/4-16 UNF-3B .873 1.058 1.191 .316

12577761-14C 7/8-9 UNC-3B .991 1.246 1.403 .570

12577761-14F 7/8-14 UNF-3B .991 1.246 1.403 .570

12577761-16C 1-8 UNC-3B 1.076 1.434 1.615 .635

12577761-16F 1-12 UNF-3B 1.076 1.434 1.615 .635

12577761-18C 1 1/8-7 UNC-3B 1.198 1.621 1.826 .710

12577761-18F 1 1/8-12 UNF-3B 1.198 1.621 1.826 .710

12577761-20C 1 1/4-7 UNC-3B 1.377 1.808 2.038 .795

12577761-20F 1 1/4-12 UNF-3B 1.377 1.808 2.038 .795

12577761-22C 1 3/8-6 UNC-3B 1.578 1.991 2.232 .890

12577761-22F 1 3/8-12 UNF-3B 1.578 1.991 2.232 .890

12577761-24C 1 1/2-6 UNC-3B 1.609 2.178 2.444 .980

12577761-24F 1 1/2-12 UNF-3B 1.609 2.178 2.444 .980

12577761-28C 1 3/4-5 UNC-3B 2.313 2.739 3.075 1.250

12577761-32C 2-4 1/2 UNC-3B 2.406 3.112 2.065 1.350

12577761-36C 2 1/4-4 1/2 UNC-3B 2.813 3.486 2.328 1.600

12577761-40C 2 1/2-4 UNC-3B 3.141 3.945 2.578 1.800

12577761 2

2NONE

A1257776119207D

NUT, LOCKING, HEX, 250 �$�F

US ARMY

TANK AUTOMOTIVE & ARMAMENTS COMMAND

WARREN, MICHIGAN 48397-5000

SEE TABLEPART NO.

DISTRIBUTION STATEMENT A. APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED.

COPYRIGHT © 2014 BAE SYSTEMS LAND AND ARMAMENTS L. P.

THIRD ANGLE PROJECTION

UNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN INCHES

TOL ON ANGLE �#� ---�$�

2PL �#� --- 3PL �#� ---

DO NOT SCALE DRAWING

REVISIONS

APPROVEDDATE (YYYY-MM-DD)DESCRIPTIONLTRZONE

PH JHA 2021-04-12 ALL REVISIONS LISTED ON SH 1 A

STATUS: RELEASED 05/07/2021

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File details come from the government source that posted it. Updated .