PartsTable
Technical Data Sheet
12Z3010-31 ✓ 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: 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, outside_diameter: 0.692 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.036 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-2028, 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
12Z3010-31
NSN: 5310-00-209-2028
FSC: 5310
CAGE: 94135 — NAVAL ORDNANCE STANDARDS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
outside_diameter0.692 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.036 INCHES NOMINAL IN
nondefinitive_spec/std_dataA TYPE
departure_from_cited_documentAS MODIFIED BY SURFACE FINISH
NSN5310-00-209-2028
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12Z3010-31 · 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 THICKNESS: 0.036 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY OVERALL
OUTSIDE DIAMETER: 0.692 INCHES NOMINAL IN
STYLE DESIGNATOR: FLAT INTERNAL TEETH
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
HOLE DIAMETER: 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA: A TYPE
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY SURFACE FINISH
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.036 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
OUTSIDE DIAMETER0.692 INCHES NOMINAL IN
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HOLE DIAMETER0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE FINISH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MS15005-2Interchangeable
interchangeable cross-reference
interchangeable
1920CInterchangeable
interchangeable cross-reference
interchangeable
751-6402201 FIND 71Interchangeable
interchangeable cross-reference
interchangeable
AN936A616BInterchangeable
interchangeable cross-reference
interchangeable
12Z3010-8Interchangeable
interchangeable cross-reference
interchangeable
B107.500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z3010-31?
12Z3010-31 is a WASHER,LOCK.
What parts can replace 12Z3010-31?
There are 24 known substitutes for 12Z3010-31: MS15005-2, 1920C, 751-6402201 FIND 71 and 21 more. Substitute compatibility should be verified for your specific system.
Is 12Z3010-31 still available?
12Z3010-31 is currently cancelled.
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