PartsTable
Technical Data Sheet
11501869 ✓ 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: 8.200 MILLIMETERS MINIMUM AND 8.500 MILLIMETERS MAXIMUM MM, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 14.750 MILLIMETERS MINIMUM AND 15.500 MILLIMETERS MAXIMUM MM, style_designator: FLAT EXTERNAL TEETH, surface_treatment: ZINC OVERALL, material_thickness: 0.700 MILLIMETERS MINIMUM AND 0.850 MILLIMETERS MAXIMUM MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-5548, 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
11501869
NSN: 5310-00-011-5548
FSC: 5310
CAGE: 5E074 — HOWCO DISTRIBUTING CO. DBA HOWCO DISTRIBUTING CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OVERALL
hole_diameter8.200 MILLIMETERS MINIMUM AND 8.500 MILLIMETERS MAXIMUM MM
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter14.750 MILLIMETERS MINIMUM AND 15.500 MILLIMETERS MAXIMUM MM
style_designatorFLAT EXTERNAL TEETH
surface_treatmentZINC OVERALL
material_thickness0.700 MILLIMETERS MINIMUM AND 0.850 MILLIMETERS MAXIMUM MM
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationGM 4342-M,CODE 15U24,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-011-5548
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11501869 · 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: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
HOLE DIAMETER: 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
STYLE DESIGNATOR: FLAT INTERNAL TEETH
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
HOLE DIAMETER0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT INTERNAL TEETH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
LENS,P0.25,6BC,71MM DIAInterchangeable
interchangeable cross-reference
interchangeable
P0.25 SPHEREInterchangeable
interchangeable cross-reference
interchangeable
P25Interchangeable
interchangeable cross-reference
interchangeable
11662117Interchangeable
interchangeable cross-reference
interchangeable
10116602Interchangeable
interchangeable cross-reference
interchangeable
3F-9556Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11501869?
11501869 is a WASHER,LOCK.
What parts can replace 11501869?
There are 23 known substitutes for 11501869: LENS,P0.25,6BC,71MM DIA, P0.25 SPHERE, P25 and 20 more. Substitute compatibility should be verified for your specific system.
Is 11501869 still available?
11501869 is currently cancelled.
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