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Technical Data Sheet
PartsTable / COMPONENT / 9171ADX
9171ADX ✓ 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 NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: ROUND, nut_diameter: 0.250 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.188 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-132-8549, 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
9171ADX
NSN: 5310-01-132-8549
FSC: 5310
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleROUND
nut_diameter0.250 INCHES NOMINAL IN
thread_class2B
nut_thickness0.188 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
nominal_thread_size0.112 INCHES IN
thread_quantity_per_inch40
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-132-8549
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9171ADX · 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
•
THREAD CLASS: 2B
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT DIAMETER: 0.250 INCHES NOMINAL IN
•
NUT THICKNESS: 0.188 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD SIZE0.112 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT DIAMETER0.250 INCHES NOMINAL IN
NUT THICKNESS0.188 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
THREAD DIRECTIONRIGHT-HAND
NUT STYLEROUND
THREAD QUANTITY PER INCH40
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5616Interchangeable
interchangeable cross-reference
interchangeable
5-686Interchangeable
interchangeable cross-reference
interchangeable
SIJ2-2472Interchangeable
interchangeable cross-reference
interchangeable
917-1Interchangeable
interchangeable cross-reference
interchangeable
3134878Interchangeable
interchangeable cross-reference
interchangeable
C5016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9171ADX?
9171ADX is a NUT,PLAIN,ROUND.
What parts can replace 9171ADX?
There are 14 known substitutes for 9171ADX: 5616, 5-686, SIJ2-2472 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9171ADX?
9171ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-132-8549. 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