1j. Sheave Roller Cast Billet_Engineering Change Order_1 Sheet.pdf

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Heavy Weight Fairlead Beams - FA481926Q0002
Solicitation number
FA481926Q0002
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This is an AFMC Form 3925 Engineering Order for a Sheave Casting component. The document is an Advance Engineering Change Order (AECO) against Air Force owned drawings, classified as an updated drawing. The engineering order pertains to drawing number 201018857, with CAGE code 98752, affecting the next higher assembly 201018858-10 used on BAK-12 AAS equipment. The drawing size is C, consisting of 1 of 1 sheet.

The primary change documented in this engineering order modifies material specifications at Location D4. The revision changes the casting material requirement from aluminum alloy A356-T6 sand cast per ASTM B26/B26M with Grade B or C per AMS 2175 to aluminum alloy A356-T6 sand cast per ASTM B26/B26M or billet 6061-T6, maintaining Grade B or C per AMS 2175 specifications. Both versions specify Class 1 casting inspection per AMS 2175. The distribution statement indicates this document contains material-related information requiring handling per DoD Instruction 5230.24. The form includes signature blocks for configuration management, materials engineer, checker, corrosion control, project engineer, engineering approval, and Air Force authentication and release, though specific names and approval dates are not fully populated in this version.

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ENGINEERING ORDER

1. ENGINEERING ORDER NO.

ENGINEERING ORDERAFMC Form 3925, 20150402

2. RELEASE DATE:

PAGE 1 OF PAGES

3. DWG TITLE 4. DWG ODA CAGE CODE 5. DWG NO. 6. DOC TYPE

7. NEXT HIGHER ASSY 8. USED ON 9. OPR CAGE CODE 10. DWG SIZE 11. DWG SHEET(s) AFFECTED 12. LATEST DWG REV

13. TYPE OF ENGINEERING ORDER 14. REASONS FOR CHANGE

ADVANCE ENGINEERING CHANGE ORDER (AECO)

AGAINST AIR FORCE OWNED DRAWINGS

DEVIATION AUTHORIZED

CHANGE NOTICE ENGINEERING ORDER (CNEO)

AIR FORCE CHANGES BEING INCORPORATED

INFORMATION "NON-TECHNICAL"

ADVANCED ENGINEERING SUPPLEMENTAL ORDER (AESO)

AIR FORCE REQUIREMENTS AGAINST A VENDOR OWNED DRAWING

ERROR CORRECTION

DESIGN CHANGE

DRAWING CLARIFICATION

UPDATED DRAWING

CRITICAL SAFETY ITEM (CSI)

15. EO PREPARED BY

16. CONFIG MANAGEMENT

17. DWG CHANGED BY

18. MATERIALS ENGINEER

19. CHECKER 20. CORROSION CONTROL

21. PROJECT ENGINEER 22. HCI / HARDNESS

24. ENG APPROVAL 25. NDI

23. DISPOSITION OF SPARES

N/A REWORK SCRAP REPLACE

27. AF AUTHENTICATION 28. SYSTEM SAFETY

26. DOCUMENTS AFFECTED (TO/TCTO/SPEC/OTHER)

30. AF RELEASE

29. OTHER COMMENTS

32. DESCRIPTION OF APPROVED CHANGES/REMARKS

33. DISTRIBUTION STATEMENT: (REQUIRED PER DoDI 5230.24)

SIGNATURE OFFICE SYM / PHONE OFFICE SYM / PHONESIGNATURE

31.

AFMC Form 3925, 20150402

PAGE

OF

PAGES

13. TYPE OF ENGINEERING ORDER

14. REASONS FOR CHANGE

AGAINST AIR FORCE OWNED DRAWINGS

AIR FORCE CHANGES BEING INCORPORATED

"NON-TECHNICAL"

AIR FORCE REQUIREMENTS AGAINST A VENDOR OWNED DRAWING

23. DISPOSITION OF SPARES

SIGNATURE

OFFICE SYM / PHONE

OFFICE SYM / PHONE

SIGNATURE

31.

11.0.1.20130826.2.901444.899636

TextField1: Sheave Casting
TextField1: 98752
TextField1: 201018857
TextField1: 201018858-10
TextField1: BAK-12 AAS
TextField1: 98752
TextField1: C
TextField1: 1 of 1
TextField1: Location D4:

WAS "MATERIAL SHALL BE ALUMINUM ALLOY A356-T6 SAND CASTED PER ASTM B26/B26M.

GRADE SHALL BE GRADE B OR C PER AMS 2175. CASTING INSPECTION SHALL BE CLASS 1 PER AMS 2175."

IS "CAST MATERIAL SHALL BE ALUMINUM ALLOY A356-T6 SAND CASTED PER ASTM B26/B26M OR BILLET 6061-T6.

GRADE SHALL BE GRADE B OR C PER AMS 2175. CASTING INSPECTION SHALL BE CLASS 1 PER AMS 2175. "

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