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Technical Data Sheet
PartsTable / COMPONENT / 26472-21PC15
26472-21PC15 ✓ 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: IRON OVERALL, nut_style: ROUND, nut_diameter: 2.125 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 2.000 INCHES NOMINAL IN, thread_series: UN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-903-2739, 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
26472-21PC15
NSN: 5310-00-903-2739
FSC: 5310
CAGE: 31923 — TODD COMBUSTION INC (USA)
SPECIFICATIONS
materialIRON OVERALL
nut_styleROUND
nut_diameter2.125 INCHES NOMINAL IN
thread_class2B
nut_thickness2.000 INCHES NOMINAL IN
thread_seriesUN
thread_directionRIGHT-HAND
countersink_angle125.0 DEGREES NOMINAL NUT
width_across_flats2.000 INCHES NOMINAL IN
nominal_thread_size1.750 INCHES IN
thread_quantity_per_inch12
NSN5310-00-903-2739
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 26472-21PC15 · 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
•
THREAD SERIES: UN
•
NOMINAL THREAD SIZE: 1.750 INCHES IN
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL: IRON OVERALL
•
NUT THICKNESS: 2.000 INCHES NOMINAL IN
•
NUT STYLE: ROUND
•
NUT DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUN
NOMINAL THREAD SIZE1.750 INCHES IN
THREAD QUANTITY PER INCH12
MATERIALIRON OVERALL
NUT THICKNESS2.000 INCHES NOMINAL IN
NUT STYLEROUND
NUT DIAMETER2.125 INCHES NOMINAL IN
THREAD CLASS2B
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
T8748Interchangeable
interchangeable cross-reference
interchangeable
60675Interchangeable
interchangeable cross-reference
interchangeable
CL-3-060-BInterchangeable
interchangeable cross-reference
interchangeable
245012Interchangeable
interchangeable cross-reference
interchangeable
231863Interchangeable
interchangeable cross-reference
interchangeable
25019Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26472-21PC15?
26472-21PC15 is a NUT,PLAIN,ROUND.
What parts can replace 26472-21PC15?
There are 8 known substitutes for 26472-21PC15: T8748, 60675, CL-3-060-B and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26472-21PC15?
26472-21PC15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-903-2739. 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