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PartsTable / COMPONENT / AN935B12
AN935B12 ✓ 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: 0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN, outside_diameter: 0.380 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-261-7435, 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
AN935B12
NSN: 5310-00-261-7435
FSC: 5310
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
outside_diameter0.380 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
nondefinitive_spec/std_dataE CLASS AND 2 STYLE
NSN5310-00-261-7435
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN935B12 · 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: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: E CLASS AND 2 STYLE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
HOLE DIAMETER0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.380 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NONDEFINITIVE SPEC/STD DATAE CLASS AND 2 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2HS104Interchangeable
interchangeable cross-reference
interchangeable
AN935B616LInterchangeable
interchangeable cross-reference
interchangeable
B27-1Interchangeable
interchangeable cross-reference
interchangeable
H-1143-HPC9Interchangeable
interchangeable cross-reference
interchangeable
004-003005-083Interchangeable
interchangeable cross-reference
interchangeable
AN935B1016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN935B12?
AN935B12 is a WASHER,LOCK.
What parts can replace AN935B12?
There are 22 known substitutes for AN935B12: 2HS104, AN935B616L, B27-1 and 19 more. Substitute compatibility should be verified for your specific system.
Is AN935B12 still available?
AN935B12 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