PartsTable
Technical Data Sheet

HREAA1/G-72-78 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HREAA1/G-72-78: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_series: UNIFIED NATIONAL COARSE (UNC), nominal_thread_size: 0.164 INCHES IN, thread_quantity_per_inch: 32. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-460-6692, 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
HREAA1/G-72-78
NSN: 5310-01-460-6692
FSC: 5310 — Nuts and Washers
CAGE: 0SMN2 — ITW GSE INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_seriesUNIFIED NATIONAL COARSE (UNC)
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
NSN5310-01-460-6692
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HREAA1/G-72-78 · 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)
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD QUANTITY PER INCH32
MATERIALCOPPER ALLOY OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HREAA1/G-72-78?
HREAA1/G-72-78 is a NUT,PLAIN,HEXAGON.
What is the NSN for HREAA1/G-72-78?
HREAA1/G-72-78 is cataloged in the U.S. Government catalog under NSN 5310-01-460-6692. 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.