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Technical Data Sheet
HK779S06L ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, hole_diameter: 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, overall_diameter: 0.370 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-194-1476, 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
HK779S06L
NSN: 5310-00-194-1476
FSC: 5310
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
hole_diameter0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
overall_diameter0.370 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-194-1476
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HK779S06L · 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
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: CADMIUM OVERALL
OVERALL DIAMETER: 0.370 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
HOLE DIAMETER: 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLE: ROUND
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
HOLE DIAMETER0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
125-015Interchangeable
interchangeable cross-reference
interchangeable
102240Interchangeable
interchangeable cross-reference
interchangeable
4610-00-2104Interchangeable
interchangeable cross-reference
interchangeable
11B5090651-72Interchangeable
interchangeable cross-reference
interchangeable
14358Interchangeable
interchangeable cross-reference
interchangeable
54767Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HK779S06L?
HK779S06L is a WASHER,FLAT.
What parts can replace HK779S06L?
There are 12 known substitutes for HK779S06L: 125-015, 102240, 4610-00-2104 and 9 more. Substitute compatibility should be verified for your specific system.
Is HK779S06L still available?
HK779S06L is currently cancelled.
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