PartsTable
Technical Data Sheet
8422870-2 ✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, overall_height: 0.100 INCHES NOMINAL IN, outside_diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, special_features: BEND DOWN TWO OPPOSITE EXTERNAL TEETH 0.208 INCHES FROM CENTER OF WASHER IN, style_designator: DOME EXTERNAL AND INTERNAL TEETH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-851-5385, 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
8422870-2
NSN: 5310-00-851-5385
FSC: 5310
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
overall_height0.100 INCHES NOMINAL IN
outside_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
special_featuresBEND DOWN TWO OPPOSITE EXTERNAL TEETH 0.208 INCHES FROM CENTER OF WASHER IN
style_designatorDOME EXTERNAL AND INTERNAL TEETH
surface_treatmentNICKEL OVERALL
material_thickness0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
material_document_and_classificationMIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-851-5385
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8422870-2 · 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 TREATMENT: NICKEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR: DOME EXTERNAL AND INTERNAL TEETH
MATERIAL: COPPER ALLOY OVERALL
OUTSIDE DIAMETER: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.100 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORDOME EXTERNAL AND INTERNAL TEETH
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURESBEND DOWN TWO OPPOSITE EXTERNAL TEETH 0.208 INCHES FROM CENTER OF WASHER IN
OUTSIDE DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
K5MInterchangeable
interchangeable cross-reference
interchangeable
77314X1BInterchangeable
interchangeable cross-reference
interchangeable
700662Interchangeable
interchangeable cross-reference
interchangeable
813820Interchangeable
interchangeable cross-reference
interchangeable
D-2256Interchangeable
interchangeable cross-reference
interchangeable
813820-802Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8422870-2?
8422870-2 is a WASHER,LOCK.
What parts can replace 8422870-2?
There are 6 known substitutes for 8422870-2: K5M, 77314X1B, 700662 and 3 more. Substitute compatibility should be verified for your specific system.
Is 8422870-2 still available?
8422870-2 is currently cancelled.
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