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PartsTable / COMPONENT / N109
N109 ✓ Verified by PartsTable
— · 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

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, duty_type: INTERMITTENT, nut_style: ROUND, body_style: ENCLOSED FRAME, body_width: 1.063 INCHES NOMINAL IN, body_height: 1.375 INCHES NOMINAL 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 5310-00-185-6527, 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
N109
NSN: 5310-00-185-6527
FSC: 5310
CAGE: 79568 — WHITTET-HIGGINS COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
duty_typeINTERMITTENT
nut_styleROUND
body_styleENCLOSED FRAME
body_width1.063 INCHES NOMINAL IN
body_height1.375 INCHES NOMINAL IN
body_length1.406 INCHES NOMINAL IN
nut_diameter2.5313 INCHES NOMINAL IN
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2B MOUNTING FACILITY HOLE
nut_thickness0.5625 INCHES NOMINAL IN
thread_seriesUNS
NSN5310-00-185-6527
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N109 · OEM ⚠ 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
•
NUT THICKNESS: 0.5625 INCHES NOMINAL IN
•
THREAD SERIES: UNS
•
NOMINAL THREAD SIZE: 1.767 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL: STEEL OVERALL
•
THREAD PITCH DIAMETERS: +1.7309 TO 1.7354 INCHES IN
•
NUT DIAMETER: 2.5313 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
NUT THICKNESS0.5625 INCHES NOMINAL IN
THREAD SERIESUNS
NOMINAL THREAD SIZE1.767 INCHES IN
THREAD QUANTITY PER INCH18
MATERIALSTEEL OVERALL
THREAD PITCH DIAMETERS+1.7309 TO 1.7354 INCHES IN
NUT DIAMETER2.5313 INCHES NOMINAL IN
DRIVE POINT QUANTITY4
THREAD DIRECTIONRIGHT-HAND
DRIVE POINT WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
300-080Interchangeable
interchangeable cross-reference
interchangeable
42D7019Interchangeable
interchangeable cross-reference
interchangeable
389-1Interchangeable
interchangeable cross-reference
interchangeable
E2644-32Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N109?
N109 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace N109?
There are 4 known substitutes for N109: 300-080, 42D7019, 389-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N109?
N109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-185-6527. 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