RFC Q0039.docx

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USS ANCHORAGE (LPD-23) Exhaust Bellow Hardware
Solicitation number
N5523623Q0039
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SWRMC

REQUEST FOR SPECIFICATION CLARIFICATION

DATE OF REQUEST:
QUESTION NO:
SHIP/HULL NO: USS ANCHORAGE (LPD-23)
SOLICITATION NO: N5523623Q0039

ITEM NO:

TITLE: Exhaust Bellow Hardware
SWRMC POC & PHONE: Jordan Trujillo

EMAIL: Jordan.r.trujillo@navy.mil

PAGE: NO
CONTRACTOR:
PLANNER’S NAME:
ATTACH. NO:
CONTRACTOR POC & PHONE:

CONTRACTOR QUESTION:

ASTM A453 660 (A286 Stainless) is available as 660A, 660B, 660C and 660D. We have worked w/ 660B & 660D. 660B is the most common. We need to know which heat treat is required A, B, C or D? Also is stress rupture required on bar or finished product?

See below for technical information.

DO NOT WRITE BELOW THIS LINE

(FOR SWRMC USE ONLY)

TECHNICAL REVIEW:
SERIAL NO:
ITEM
NAME OF PART
PART NUMBER
QTY
UNIT OF ISSUE
001
Screw, Heavy Hex Hd Cap, 1-1/4”-7UNC-2A Thd X 4” lg, Chrome Molybdenum, Vanadium

Finished, Washer Faced, ASTM-A193, GR-B16 N/A

224
EA
002
Nut, Heavy Hex Hd, 1-1/4"-7UNC-2B, Chrome

Molybdenum, Vanadium finished, ASTMA194/

A194, GR16

N/A

224
EA
003
Double Locking Tab for 28” Bellow Flange with 1-1/4" Bolt, Make From Sheet, 16 Ga, Cres 316L, (TH)No Oil Between Sheets, Hazardous Material MSDS Required, ASTM-A420, Fin-B, (see Detail 21-B of provided Ingalls Sketch)
N/A
112
EA

IAW PM 220-0003, SURF, Exhaust System; Fasteners Replacement and Hanger Alignment Guidance, material requirements will be changed as follows:

PLANNER REVIEW
DATE:
SUPERVISOR REVIEW:
DATE:
CODE 230 REVIEW:
DATE:
ADV PLAN REVIEW:
DATE:
SPEC CHG: Y/N
DWG/REF CHG. Y/N
RQMTS CHG: Y/N
MAT'L CHG: Y/N

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