PartsTable
Technical Data Sheet
NL8SP ✓ 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: 8.7 MILLIMETERS NOMINAL MM, overall_height: 2.50 MILLIMETERS NOMINAL MM, hardness_rating: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM, outside_diameter: 16.6 MILLIMETERS NOMINAL MM, style_designator: TWO PIECE INTERLOCKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-528-1442, 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
NL8SP
NSN: 5310-01-528-1442
FSC: 5310
CAGE: 1PUD1 — NORD LOCK INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter8.7 MILLIMETERS NOMINAL MM
overall_height2.50 MILLIMETERS NOMINAL MM
hardness_rating72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
outside_diameter16.6 MILLIMETERS NOMINAL MM
special_featuresPART CONSISTS OF TWO WASHERS GLUED TOGETHER. IF THE TWO WASHERS BECOME DETACHED, REATTACH BY MATING THE TAPERED SURFACES BEFORE ASSEMBLY.
style_designatorTWO PIECE INTERLOCKING
surface_treatmentZINC OVERALL
end_item_identificationADD ON ARMOR (FMTV); MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
part_name_assigned_by_controlling_agencyWASHER,NORDLOCK
surface_treatment_document_and_classificationISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-528-1442
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NL8SP · 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
HOLE DIAMETER: 8.7 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER: 16.6 MILLIMETERS NOMINAL MM
HARDNESS RATING: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
STYLE DESIGNATOR: TWO PIECE INTERLOCKING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT2.50 MILLIMETERS NOMINAL MM
HOLE DIAMETER8.7 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,NORDLOCK
SPECIAL FEATURESPART CONSISTS OF TWO WASHERS GLUED TOGETHER. IF THE TWO WASHERS BECOME DETACHED, REATTACH BY MATING THE TAPERED SURFACES BEFORE ASSEMBLY.
OUTSIDE DIAMETER16.6 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONADD ON ARMOR (FMTV); MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
HARDNESS RATING72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
STYLE DESIGNATORTWO PIECE INTERLOCKING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
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 NL8SP?
NL8SP is a WASHER,LOCK.
What parts can replace NL8SP?
There are 21 known substitutes for NL8SP: NL8, 12422608-009, 1NL10 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NL8SP?
NL8SP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-528-1442. This indicates validated use in U.S. government and defense supply chains.
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