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S4388SH71 — NUT,PLAIN,WELDING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S4388SH71: NUT,PLAIN,WELDING.

The NUT,PLAIN,WELDING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_diameter: 0.500 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.062 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-185-0470, 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
S4388SH71
NSN: 5310-00-185-0470
FSC: 5310 — Nuts and Washers
CAGE: 98587 — IMS ENGINEERED PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_diameter0.500 INCHES NOMINAL IN
thread_class2B
nut_thickness0.062 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
NSN5310-00-185-0470
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S4388SH71 · 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 SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
NUT DIAMETER: 0.500 INCHES NOMINAL IN
•
NUT THICKNESS: 0.062 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
NUT DIAMETER0.500 INCHES NOMINAL IN
NUT THICKNESS0.062 INCHES NOMINAL IN
THREAD CLASS2B
THREAD QUANTITY PER INCH32
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
80662Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S4388SH71?
S4388SH71 is a NUT,PLAIN,WELDING.
What parts can replace S4388SH71?
There is 1 known substitute for S4388SH71: 80662. Substitute compatibility should be verified for your specific system.
What is the NSN for S4388SH71?
S4388SH71 is cataloged in the U.S. Government catalog under NSN 5310-00-185-0470. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.