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PartsTable / COMPONENT / 1877-2091
1877-2091 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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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_height: 0.125 INCHES NOMINAL IN, thread_class: 2A EXTERNAL A, head_diameter: 0.688 INCHES NOMINAL IN, thread_length: 0.281 INCHES NOMINAL EXTERNAL IN, overall_length: 0.406 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-289-0817, 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
1877-2091
NSN: 5365-00-289-0817
FSC: 5365
CAGE: 93568 — HARSCO CORP BMY-COMBAT SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.125 INCHES NOMINAL IN
thread_class2A EXTERNAL A
head_diameter0.688 INCHES NOMINAL IN
thread_length0.281 INCHES NOMINAL EXTERNAL IN
overall_length0.406 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.500 INCHES EXTERNAL IN
thread_series_designatorUNF EXTERNAL
NSN5365-00-289-0817
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,MACHINE THREAD TITLE COMPONENT PN 1877-2091 MFR PLUG,MACHINE THREAD
KEY FEATURES
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.688 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
THREAD SERIES DESIGNATOR: UNF EXTERNAL
•
THREAD LENGTH: 0.281 INCHES NOMINAL EXTERNAL IN
•
NOMINAL THREAD SIZE: 0.500 INCHES EXTERNAL IN
•
CONNECTION STYLE: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.125 INCHES NOMINAL IN
HEAD DIAMETER0.688 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
THREAD SERIES DESIGNATORUNF EXTERNAL
OVERALL LENGTH0.406 INCHES NOMINAL IN
THREAD LENGTH0.281 INCHES NOMINAL EXTERNAL IN
NOMINAL THREAD SIZE0.500 INCHES EXTERNAL IN
CONNECTION STYLEPLAIN
THREAD CLASS2A EXTERNAL A
STYLE DESIGNATORPLUG, MACHINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
A-A-59585Interchangeable
interchangeable cross-reference
interchangeable
SKF6318JInterchangeable
interchangeable cross-reference
interchangeable
416821-53-DEInterchangeable
interchangeable cross-reference
interchangeable
2500-6-174Interchangeable
interchangeable cross-reference
interchangeable
50221Interchangeable
interchangeable cross-reference
interchangeable
16212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1877-2091?
1877-2091 is a PLUG,MACHINE THREAD.
What parts can replace 1877-2091?
There are 22 known substitutes for 1877-2091: A-A-59585, SKF6318J, 416821-53-DE and 19 more. Substitute compatibility should be verified for your specific system.
Is 1877-2091 still available?
1877-2091 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