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83990583 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

83990583: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OVERALL, hole_diameter: 4.267 MILLIMETERS MINIMUM AND 4.445 MILLIMETERS MAXIMUM MM, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 7.442 MILLIMETERS MAXIMUM MM, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-102-0332, 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
83990583
NSN: 5310-01-102-0332
FSC: 5310 — Nuts and Washers
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OVERALL
hole_diameter4.267 MILLIMETERS MINIMUM AND 4.445 MILLIMETERS MAXIMUM MM
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter7.442 MILLIMETERS MAXIMUM MM
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
material_thickness1.016 MILLIMETERS MINIMUM AND 1.168 MILLIMETERS MAXIMUM MM
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-102-0332
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 83990583 · 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
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 7.442 MILLIMETERS MAXIMUM MM
•
MATERIAL THICKNESS: 1.016 MILLIMETERS MINIMUM AND 1.168 MILLIMETERS MAXIMUM MM
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL COMP 1060 OVERALL
•
HOLE DIAMETER: 4.267 MILLIMETERS MINIMUM AND 4.445 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER7.442 MILLIMETERS MAXIMUM MM
MATERIAL THICKNESS1.016 MILLIMETERS MINIMUM AND 1.168 MILLIMETERS MAXIMUM MM
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL COMP 1060 OVERALL
HOLE DIAMETER4.267 MILLIMETERS MINIMUM AND 4.445 MILLIMETERS MAXIMUM MM
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
892-1108Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 83990583?
83990583 is a WASHER,LOCK.
What parts can replace 83990583?
There is 1 known substitute for 83990583: 892-1108. Substitute compatibility should be verified for your specific system.
What is the NSN for 83990583?
83990583 is cataloged in the U.S. Government catalog under NSN 5310-01-102-0332. This indicates validated use in U.S. government and defense supply chains.
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