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PartsTable / COMPONENT / PWA53880-17
PWA53880-17 ✓ 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,PLAIN,EXTENDED WASHER,HEXAGO. Key specifications include material: STEEL COMP 12L14 OVERALL, nut_style: HEXAGON, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.812 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-112-4377, 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
PWA53880-17
NSN: 5310-01-112-4377
FSC: 5310
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14 OVERALL
nut_styleHEXAGON
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.812 INCHES NOMINAL IN
thread_directionRIGHT-HAND
washer_thickness0.188 INCHES NOMINAL IN
surface_treatmentOXIDE OVERALL
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
washer_outside_diameter1.375 INCHES NOMINAL IN
thread_quantity_per_inch11
NSN5310-01-112-4377
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PWA53880-17 · 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 DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP 12L14 OVERALL
•
THREAD QUANTITY PER INCH: 11
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
WASHER THICKNESS: 0.188 INCHES NOMINAL IN
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 12L14 OVERALL
THREAD QUANTITY PER INCH11
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
WASHER THICKNESS0.188 INCHES NOMINAL IN
SURFACE TREATMENTOXIDE OVERALL
OVERALL HEIGHT0.812 INCHES NOMINAL IN
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
WWF12C1-710Interchangeable
interchangeable cross-reference
interchangeable
A11370-7Interchangeable
interchangeable cross-reference
interchangeable
197400Interchangeable
interchangeable cross-reference
interchangeable
19907Interchangeable
interchangeable cross-reference
interchangeable
CL-4-FNInterchangeable
Same NIIN cross-reference
interchangeable
PWA50435-3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PWA53880-17?
PWA53880-17 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace PWA53880-17?
There are 6 known substitutes for PWA53880-17: WWF12C1-710, A11370-7, 197400 and 3 more. Substitute compatibility should be verified for your specific system.
Is PWA53880-17 still available?
PWA53880-17 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