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8574838 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8574838: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 1.500 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES BOTTOM, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM, overall_diameter: 2.172 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-655-9985, 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
8574838
NSN: 5310-00-655-9985
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter1.500 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BOTTOM
hardness_rating60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
overall_diameter2.172 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
features_providedCASEHARDENED
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-655-9985
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8574838 · 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
•
SURFACE FINISH: 32.0 MICROINCHES BOTTOM
•
OVERALL DIAMETER: 2.172 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
FEATURES PROVIDED: CASEHARDENED
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES BOTTOM
SURFACE FINISH32.0 MICROINCHES TOP
OVERALL DIAMETER2.172 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 416 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 1
5310006559985Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 8574838?
8574838 is a WASHER,FLAT.
What parts can replace 8574838?
There is 1 known substitute for 8574838: 5310006559985. Substitute compatibility should be verified for your specific system.
What is the NSN for 8574838?
8574838 is cataloged in the U.S. Government catalog under NSN 5310-00-655-9985. This indicates validated use in U.S. government and defense supply chains.
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