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A11781 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CA360 OVERALL, head_type: CORED, core_depth: 0.344 INCHES NOMINAL IN, head_height: 0.406 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, thread_length: 0.250 INCHES NOMINAL EXTERNAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-289-4666, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A11781
NSN: 5365-00-289-4666
FSC: 5365
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialCOPPER ALLOY CA360 OVERALL
head_typeCORED
core_depth0.344 INCHES NOMINAL IN
head_height0.406 INCHES NOMINAL IN
thread_class3A EXTERNAL A
thread_length0.250 INCHES NOMINAL EXTERNAL IN
overall_length0.750 INCHES NOMINAL IN
flange_diameter2.000 INCHES NOMINAL IN
connection_stylePLAIN
flange_thickness0.094 INCHES NOMINAL IN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
NSN5365-00-289-4666
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,MACHINE THREAD TITLE COMPONENT PN A11781 MFR PLUG,MACHINE THREAD
KEY FEATURES
•
CONNECTION STYLE: PLAIN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
BODY CORE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: PLUG, MACHINE
•
HEAD HEIGHT: 0.406 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.750 INCHES EXTERNAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN
SURFACE TREATMENTCADMIUM OVERALL
BODY CORE DIAMETER1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORPLUG, MACHINE
HEAD HEIGHT0.406 INCHES NOMINAL IN
OVERALL LENGTH0.750 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.750 INCHES EXTERNAL IN
HEAD CORE DIAMETER0.750 INCHES NOMINAL IN
THREAD CLASS3A EXTERNAL A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
11781Interchangeable
interchangeable cross-reference
interchangeable
16066Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325Interchangeable
interchangeable cross-reference
interchangeable
663-11781Interchangeable
interchangeable cross-reference
interchangeable
545-0145-002Interchangeable
interchangeable cross-reference
interchangeable
11781-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11781?
A11781 is a PLUG,MACHINE THREAD.
What parts can replace A11781?
There are 15 known substitutes for A11781: 11781, 16066, GGG-F-325 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A11781?
A11781 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-289-4666. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026