PartsTable
Technical Data Sheet
11109A ✓ Verified by PartsTable
InLine · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

<b>Flexible application options:</b>Supports both male and female 9-pin Sub-D connectors for maximum compatibility in IT environments.<br><b>Easy housing integration:</b>Simply mounts into a free PCI slot – ideal for professional IT systems and server housings.<br><b>Robust metal design:</b>Made of sturdy sheet steel for long-lasting durability and secure fastening of the connectors.<br><b>Ideal for serial interfaces:</b>Perfect for setting up or expanding RS232 connections in industrial or professional applications.<br><b>Dual connection option:</b>Space for two 9-pin Sub-D plugs or sockets – saves space and increases connection density.<br><br>The InLine® slot bracket allows easy installation of two 9-pin Sub-D plugs or sockets on the rear of a PC or server housing. Thanks to its standardised design, it fits into any free PCI slot and offers a clean, stable solution for integrating serial interfaces. The robust metal design ensures reliable fastening – ideal for industrial environmen This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-364-7088, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
11109A
NSN: 5310-00-364-7088
FSC: 5310
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.438 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch20
NSN5310-00-364-7088
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11109A · InLine ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
BEARING SURFACE TYPE: WASHER FACED
THREAD CLASS: 2B
NOMINAL THREAD SIZE: 0.500 INCHES IN
THREAD QUANTITY PER INCH: 20
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
NUT STYLE: CASTELLATED, HEXAGON
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPEWASHER FACED
THREAD CLASS2B
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
NUT STYLECASTELLATED, HEXAGON
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT HEIGHT0.438 INCHES NOMINAL IN
THREAD SERIESUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A5000Interchangeable
interchangeable cross-reference
interchangeable
122-6722635 PC 37Interchangeable
interchangeable cross-reference
interchangeable
191758Interchangeable
interchangeable cross-reference
interchangeable
6041H139Interchangeable
interchangeable cross-reference
interchangeable
32424AInterchangeable
interchangeable cross-reference
interchangeable
2700Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11109A?
11109A is a NUT,PLAIN,CASTELLATED,HEXAGON manufactured by InLine.
What parts can replace 11109A?
There are 15 known substitutes for 11109A: A5000, 122-6722635 PC 37, 191758 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11109A?
11109A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-364-7088. This indicates validated use in U.S. government and defense supply chains.
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