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PartsTable / COMPONENT / 426759
426759 ✓ 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 PUSH BUTTON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 AND STEEL COMP 420 OVERALL, head_style: HEXAGON, head_height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, thread_class: 2A A, hole_diameter: 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, thread_length: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-042-6759, 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
426759
NSN: 5310-00-042-6759
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 302 AND STEEL COMP 420 OVERALL
head_styleHEXAGON
head_height0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
thread_class2A A
hole_diameter0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
thread_length0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8740
fastener_length0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
outside_diameter0.586 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
thread_directionRIGHT-HAND
NSN5310-00-042-6759
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 426759 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI 302 OR SAE 30302 FED STD 1ST MATERIAL RESPONSE AND FED STD 66,AISI 420 OR SAE 51420 FED STD 2ND MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 302 AND STEEL COMP 420 OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
NONDEFINITIVE SPEC/STD DATA: 2 STYLE AND C CLASS
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.586 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 302 OR SAE 30302 FED STD 1ST MATERIAL RESPONSE AND FED STD 66,AISI 420 OR SAE 51420 FED STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 AND STEEL COMP 420 OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
NONDEFINITIVE SPEC/STD DATA2 STYLE AND C CLASS
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL THICKNESS0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.586 INCHES MAXIMUM IN
HOLE DIAMETER0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1187Interchangeable
interchangeable cross-reference
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3407X1AInterchangeable
interchangeable cross-reference
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6407JInterchangeable
interchangeable cross-reference
interchangeable
949-829P26TInterchangeable
interchangeable cross-reference
interchangeable
69020C1Interchangeable
interchangeable cross-reference
interchangeable
A1025Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 426759?
426759 is a PUSH BUTTON.
What parts can replace 426759?
There are 23 known substitutes for 426759: 1187, 3407X1A, 6407J and 20 more. Substitute compatibility should be verified for your specific system.
Is 426759 still available?
426759 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026