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203147 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, outside_diameter: 1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM 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 5310-00-208-9572, 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
203147
NSN: 5310-00-208-9572
FSC: 5310
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
outside_diameter1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeWASHER FACED
center_hole_diameter0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
NSN5310-00-208-9572
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 203147 · 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
•
WIDTH ACROSS FLATS: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
•
THREAD CLASS: 3B
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 28
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD SERIES: UNF
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
THREAD CLASS3B
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH28
BEARING SURFACE TYPEWASHER FACED
THREAD SERIESUNF
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MS29513-021Interchangeable
interchangeable cross-reference
interchangeable
3113858Interchangeable
interchangeable cross-reference
interchangeable
MS29513-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203147?
203147 is a NUT,PLAIN,HEXAGON.
What parts can replace 203147?
There are 3 known substitutes for 203147: MS29513-021, 3113858, MS29513-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 203147?
203147 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-9572. 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