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PartsTable / COMPONENT / 3174AS7241
3174AS7241 ✓ 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

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include nut_style: EXTERNAL TOOTH, nut_height: 0.117 INCHES NOMINAL IN, thread_series: UNF, overall_height: 0.154 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_across_flats: 0.362 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 5310-01-422-1711, 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
3174AS7241
NSN: 5310-01-422-1711
FSC: 5310
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
nut_styleEXTERNAL TOOTH
nut_height0.117 INCHES NOMINAL IN
thread_seriesUNF
overall_height0.154 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.362 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
washer_outside_diameter0.395 INCHES NOMINAL IN
thread_quantity_per_inch32
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-422-1711
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3174AS7241 · 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 HEIGHT: 0.117 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
WIDTH ACROSS FLATS: 0.362 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.117 INCHES NOMINAL IN
THREAD SERIESUNF
WIDTH ACROSS FLATS0.362 INCHES NOMINAL IN
OVERALL HEIGHT0.154 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
NUT STYLEEXTERNAL TOOTH
WASHER OUTSIDE DIAMETER0.395 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
26779Interchangeable
interchangeable cross-reference
interchangeable
25535Interchangeable
interchangeable cross-reference
interchangeable
IR7295CInterchangeable
interchangeable cross-reference
interchangeable
MI22-4SInterchangeable
interchangeable cross-reference
interchangeable
330845-001Interchangeable
interchangeable cross-reference
interchangeable
S236MR001P003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3174AS7241?
3174AS7241 is a NUT,SELF-LOCKING,ASSEMBLED WASHE.
What parts can replace 3174AS7241?
There are 9 known substitutes for 3174AS7241: 26779, 25535, IR7295C and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3174AS7241?
3174AS7241 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-422-1711. 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