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42A326 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_type: SOLID, core_depth: 1.390 INCHES NOMINAL IN, head_height: 0.812 INCHES NOMINAL IN, thread_class: 2A EXTERNAL A, thread_length: 0.688 INCHES NOMINAL EXTERNAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-541-6517, 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
42A326
NSN: 5365-00-541-6517
FSC: 5365
CAGE: 27996 — HEIL ENVIRONMENTAL INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_typeSOLID
core_depth1.390 INCHES NOMINAL IN
head_height0.812 INCHES NOMINAL IN
thread_class2A EXTERNAL A
thread_length0.688 INCHES NOMINAL EXTERNAL IN
overall_length1.630 INCHES NOMINAL IN
connection_stylePLAIN
special_featuresCROWNED HEAD
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
body_core_diameter0.528 INCHES NOMINAL IN
NSN5365-00-541-6517
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,MACHINE THREAD TITLE COMPONENT PN 42A326 MFR PLUG,MACHINE THREAD
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNF EXTERNAL
•
THREAD CLASS: 2A EXTERNAL A
•
CORE DEPTH: 1.390 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.875 INCHES EXTERNAL IN
•
HEAD TYPE: SOLID
•
HEAD HEIGHT: 0.812 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF EXTERNAL
SPECIAL FEATURESCROWNED HEAD
THREAD CLASS2A EXTERNAL A
CORE DEPTH1.390 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.875 INCHES EXTERNAL IN
HEAD TYPESOLID
HEAD HEIGHT0.812 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD LENGTH0.688 INCHES NOMINAL EXTERNAL IN
CONNECTION STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
18-616Interchangeable
interchangeable cross-reference
interchangeable
BB-1733Interchangeable
interchangeable cross-reference
interchangeable
DD-4525 ITEM NO 10Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
1MA100D05-10275Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42A326?
42A326 is a PLUG,MACHINE THREAD.
What parts can replace 42A326?
There are 19 known substitutes for 42A326: 18-616, BB-1733, DD-4525 ITEM NO 10 and 16 more. Substitute compatibility should be verified for your specific system.
Is 42A326 still available?
42A326 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026