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Technical Data Sheet
PartsTable / COMPONENT / 12422608-030
12422608-030 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 23.4 MILLIMETERS NOMINAL MM, overall_height: 6.6 MILLIMETERS NOMINAL MM, hardness_rating: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM, outside_diameter: 42.0 MILLIMETERS NOMINAL MM, special_features: IF THE TWO WASHERS BECOME DETACHED,REATTACH BY MATING THE TAPERED SURFACES BEFORE ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-577-5909, 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
12422608-030
NSN: 5310-01-577-5909
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter23.4 MILLIMETERS NOMINAL MM
overall_height6.6 MILLIMETERS NOMINAL MM
hardness_rating72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
outside_diameter42.0 MILLIMETERS NOMINAL MM
special_featuresIF THE TWO WASHERS BECOME DETACHED,REATTACH BY MATING THE TAPERED SURFACES BEFORE ASSEMBLY
style_designatorTWO PIECE INTERLOCKING
surface_treatmentZINC OVERALL
end_item_identification2320-01-508-8859 TRUCK,MATERIALS HANDLING-CONTAINER HOISTING
part_name_assigned_by_controlling_agencyWASHER,NORDLOCK
surface_treatment_document_and_classificationISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-577-5909
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12422608-030 · 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
•
OUTSIDE DIAMETER: 42.0 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 23.4 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESIF THE TWO WASHERS BECOME DETACHED,REATTACH BY MATING THE TAPERED SURFACES BEFORE ASSEMBLY
OUTSIDE DIAMETER42.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,NORDLOCK
END ITEM IDENTIFICATION2320-01-508-8859 TRUCK,MATERIALS HANDLING-CONTAINER HOISTING
OVERALL HEIGHT6.6 MILLIMETERS NOMINAL MM
HOLE DIAMETER23.4 MILLIMETERS NOMINAL MM
HARDNESS RATING72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
STYLE DESIGNATORTWO PIECE INTERLOCKING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
NL8Interchangeable
interchangeable cross-reference
interchangeable
12422608-009Interchangeable
interchangeable cross-reference
interchangeable
1NL10Interchangeable
interchangeable cross-reference
interchangeable
NL10Interchangeable
interchangeable cross-reference
interchangeable
12422608Interchangeable
interchangeable cross-reference
interchangeable
12422608-016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12422608-030?
12422608-030 is a WASHER,LOCK.
What parts can replace 12422608-030?
There are 21 known substitutes for 12422608-030: NL8, 12422608-009, 1NL10 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12422608-030?
12422608-030 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-577-5909. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026