PartsTable
Technical Data Sheet
LA436-2 ✓ 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 hole_diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL TEETH, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-7691, 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
LA436-2
NSN: 5310-00-596-7691
FSC: 5310
CAGE: 46717 — PETTIBONE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
hole_diameter0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL TEETH
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-596-7691
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LA436-2 · 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
OUTSIDE DIAMETER: 0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
MATERIAL: STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S:SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); AIRBORNE MOBILE DIR AIR SPT CTL (2ID),(02M JUL83)(AN/UYQ-3A); AIRCRAFT (AC-130H, MC-130H, EC-130E, HC-130); CLOSE IN WEAPON SYSTEM (CIWS-PHALANX); SUPPORT EQUIPMENT, B-1 AIRCRAFT; MISSILE, AIR INTERCEPT, SIDEWINDER (AIM-9); FIRE CONTROL SYSTEM, MISSILE MK 74 (FCS); ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H); GUN MOUNT, MK 75 (GM); FIRE PUMPS; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV) A
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
407-128Interchangeable
interchangeable cross-reference
interchangeable
FFS92TYPE1STYLE4SInterchangeable
interchangeable cross-reference
interchangeable
104-108-89Interchangeable
interchangeable cross-reference
interchangeable
9815-01Interchangeable
interchangeable cross-reference
interchangeable
9815Interchangeable
interchangeable cross-reference
interchangeable
656193Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA436-2?
LA436-2 is a WASHER,LOCK.
What parts can replace LA436-2?
There are 23 known substitutes for LA436-2: 407-128, FFS92TYPE1STYLE4S, 104-108-89 and 20 more. Substitute compatibility should be verified for your specific system.
Is LA436-2 still available?
LA436-2 is currently cancelled.
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