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5HA178 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5HA178: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nominal_thread_size: 0.375 INCHES IN, end_item_identification: LOGISTICS SUPPORT VESSEL, thread_quantity_per_inch: 16. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-183-1237, 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
5HA178
NSN: 5310-01-183-1237
FSC: 5310 — Nuts and Washers
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
nominal_thread_size0.375 INCHES IN
end_item_identificationLOGISTICS SUPPORT VESSEL
thread_quantity_per_inch16
NSN5310-01-183-1237
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5HA178 · 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
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS
NOMINAL THREAD SIZE0.375 INCHES IN
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
THREAD QUANTITY PER INCH16
SUBSTITUTES & CROSS-REFERENCES 2
9S-8752Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9Y5710 ITEM 26Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5HA178?
5HA178 is a NUT,PLAIN,HEXAGON.
What parts can replace 5HA178?
There are 2 known substitutes for 5HA178: 9S-8752, 9Y5710 ITEM 26. Substitute compatibility should be verified for your specific system.
What is the NSN for 5HA178?
5HA178 is cataloged in the U.S. Government catalog under NSN 5310-01-183-1237. 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.