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520425 — NUT,SPECIAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

520425: NUT,SPECIAL.

The NUT,SPECIAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-741-0168, 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
520425
NSN: 5310-00-741-0168
FSC: 5310 — Nuts and Washers
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
Part Number520425
NSN5310-00-741-0168
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 520425 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL QQ-S-624 COMP 8640 H,1.000 IN. OVERALL H,0.860 IN. MIN AND 0.865 IN. MAX NUT DIA,0.870 IN. MIN AND 0.880 IN. MAX FLANGE WITH WRENCHING FLATS,TEN 0.093 IN. SLOTS EQUALLY SPACED,0.500 IN. DIA COUNTERBORE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL QQ-S-624 COMP 8640 H,1.000 IN. OVERALL H,0.860 IN. MIN AND 0.865 IN. MAX NUT DIA,0.870 IN. MIN AND 0.880 IN. MAX FLANGE WITH WRENCHING FLATS,TEN 0.093 IN. SLOTS EQUALLY SPACED,0.500 IN. DIA COUNTERBORE IN
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
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 520425?
520425 is a NUT,SPECIAL.
What is the NSN for 520425?
520425 is cataloged in the U.S. Government catalog under NSN 5310-00-741-0168. This indicates validated use in U.S. government and defense supply chains.
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