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PartsTable / COMPONENT / SMC071-572FIG7-19-2
SMC071-572FIG7-19-2 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 1.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-059-9444, 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
SMC071-572FIG7-19-2
NSN: 5310-01-059-9444
FSC: 5310
CAGE: 98296 — STANDARD MFG CO INC (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height1.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats2.188 INCHES NOMINAL IN
nominal_thread_size1.625 INCHES IN
bearing_surface_typeFLAT
supplementary_featuresCYLINDER ASSY,TILT HEAD,MJ-3/SP/ LIFT TRUCK
thread_quantity_per_inch12
NSN5310-01-059-9444
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMC071-572FIG7-19-2 · 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 STYLE: HEXAGON
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
SUPPLEMENTARY FEATURES: CYLINDER ASSY,TILT HEAD,MJ-3/SP/ LIFT TRUCK
•
BEARING SURFACE TYPE: FLAT
•
THREAD QUANTITY PER INCH: 12
•
THREAD SERIES: UN
•
NOMINAL THREAD SIZE: 1.625 INCHES IN
•
NUT HEIGHT: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SUPPLEMENTARY FEATURESCYLINDER ASSY,TILT HEAD,MJ-3/SP/ LIFT TRUCK
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH12
THREAD SERIESUN
NOMINAL THREAD SIZE1.625 INCHES IN
NUT HEIGHT1.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS2.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
503A1-3-70Interchangeable
interchangeable cross-reference
interchangeable
310027800Interchangeable
interchangeable cross-reference
interchangeable
26769Interchangeable
interchangeable cross-reference
interchangeable
WG50082PC71Interchangeable
interchangeable cross-reference
interchangeable
43-1132Interchangeable
interchangeable cross-reference
interchangeable
480963SKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMC071-572FIG7-19-2?
SMC071-572FIG7-19-2 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace SMC071-572FIG7-19-2?
There are 14 known substitutes for SMC071-572FIG7-19-2: 503A1-3-70, 310027800, 26769 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMC071-572FIG7-19-2?
SMC071-572FIG7-19-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-059-9444. 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