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HL83-5W — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HL83-5W: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.200 INCHES NOMINAL IN, material: STEEL COMP 630 OVERALL, recess_depth: 0.078 INCHES NOMINAL IN, hole_diameter: 0.241 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, outside_diameter: 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-240-0179, 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
HL83-5W
NSN: 5310-00-240-0179
FSC: 5310 — Nuts and Washers
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
radius0.200 INCHES NOMINAL IN
materialSTEEL COMP 630 OVERALL
recess_depth0.078 INCHES NOMINAL IN
hole_diameter0.241 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
outside_diameter0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-240-0179
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HL83-5W · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
RADIUS: 0.200 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.078 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS0.200 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
RECESS DEPTH0.078 INCHES NOMINAL IN
MATERIAL THICKNESS0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 630 OVERALL
HOLE DIAMETER0.241 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HL83-5W?
HL83-5W is a WASHER,CONCAVE.
What is the NSN for HL83-5W?
HL83-5W is cataloged in the U.S. Government catalog under NSN 5310-00-240-0179. This indicates validated use in U.S. government and defense supply chains.
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