PartsTable
Technical Data Sheet
2580-408 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.125 INCHES NOMINAL IN, overall_diameter: 0.437 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-753-4011, 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
2580-408
NSN: 5310-00-753-4011
FSC: 5310
CAGE: 11871 — RECON/OPTICAL, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.125 INCHES NOMINAL IN
overall_diameter0.437 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-753-4011
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2580-408 · 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
CENTER HOLE SHAPE STYLE: ROUND
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: STEEL COMP 304 OVERALL
SURFACE TREATMENT: PASSIVATE OVERALL
THICKNESS: 0.031 INCHES NOMINAL IN
HOLE DIAMETER: 0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
OVERALL DIAMETER: 0.437 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.031 INCHES NOMINAL IN
HOLE DIAMETER0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.437 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
31074Interchangeable
interchangeable cross-reference
interchangeable
351979PC15Interchangeable
interchangeable cross-reference
interchangeable
12Z7000-15Interchangeable
interchangeable cross-reference
interchangeable
12Z7000-10Interchangeable
interchangeable cross-reference
interchangeable
16MS429PT33B19WInterchangeable
interchangeable cross-reference
interchangeable
757799Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2580-408?
2580-408 is a WASHER,FLAT.
What parts can replace 2580-408?
There are 14 known substitutes for 2580-408: 31074, 351979PC15, 12Z7000-15 and 11 more. Substitute compatibility should be verified for your specific system.
Is 2580-408 still available?
2580-408 is currently cancelled.
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