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557384 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

557384: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_style: ROUND, nut_diameter: 1.370 INCHES NOMINAL IN, nut_thickness: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-054-3129, 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
557384
NSN: 5310-00-054-3129
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
nut_styleROUND
nut_diameter1.370 INCHES NOMINAL IN
nut_thickness0.250 INCHES NOMINAL IN
drive_point_quantity9
NSN5310-00-054-3129
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 557384 · 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
•
NUT DIAMETER: 1.370 INCHES NOMINAL IN
•
NUT THICKNESS: 0.250 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 9
•
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS
NUT DIAMETER1.370 INCHES NOMINAL IN
NUT THICKNESS0.250 INCHES NOMINAL IN
DRIVE POINT QUANTITY9
NUT STYLEROUND
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 557384?
557384 is a NUT,PLAIN,ROUND.
What is the NSN for 557384?
557384 is cataloged in the U.S. Government catalog under NSN 5310-00-054-3129. This indicates validated use in U.S. government and defense supply chains.
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