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Technical Data Sheet
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ER-588-79 — ER-588-79

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ER-588-79: ER-588-79.

The ER-588-79 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-455-0313, 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
ER-588-79
NSN: 5310-01-455-0313
FSC: 5310 — Nuts and Washers
CAGE: 22978 — MEASUREMENT SYSTEMS INC (USA)
SPECIFICATIONS
Part NumberER-588-79
NSN5310-01-455-0313
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ER-588-79 · 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
•
WIDTH ACROSS FLATS: 0.190 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
NUT HEIGHT: 0.060 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.190 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
NUT HEIGHT0.060 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS2B
END ITEM IDENTIFICATIONLIGHT ARMORED VEHICLE, TURRET MODEL AN/MWQ-503
THREAD QUANTITY PER INCH40
MATERIALSTEEL OVERALL
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 ER-588-79?
ER-588-79 is a ER-588-79.
What is the NSN for ER-588-79?
ER-588-79 is cataloged in the U.S. Government catalog under NSN 5310-01-455-0313. This indicates validated use in U.S. government and defense supply chains.
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